Solutions by everydaycalculation.com

25 + 410 is 45.

- Find the least common denominator or LCM of the two denominators:

LCM of 5 and 10 is**10**

Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,

25 = 2 × 25 × 2 = 410 - Likewise, for the 2nd fraction, since 10 × 1 = 10,

410 = 4 × 110 × 1 = 410 - Add the two like fractions:

410 + 410 = 4 + 410 = 810 - 8/10 simplified gives 45
- So, 2/5 + 4/10 = 4/5

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:

Android and iPhone/ iPad

Related: ^{4}/_{5}+^{4}/_{10} ^{2}/_{5}+^{8}/_{10} ^{2}/_{10}+^{4}/_{10} ^{2}/_{5}+^{4}/_{20} ^{6}/_{5}+^{4}/_{10} ^{2}/_{5}+^{12}/_{10} ^{2}/_{15}+^{4}/_{10} ^{2}/_{5}+^{4}/_{30} ^{10}/_{5}+^{4}/_{10} ^{2}/_{5}+^{20}/_{10} ^{2}/_{25}+^{4}/_{10} ^{2}/_{5}+^{4}/_{50} ^{14}/_{5}+^{4}/_{10} ^{2}/_{5}+^{28}/_{10} ^{2}/_{35}+^{4}/_{10} ^{2}/_{5}+^{4}/_{70}

© everydaycalculation.com