Add 2/28 and 81/10
1st number: 2/28, 2nd number: 8 1/10
2/28 + 81/10 is 286/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
2/28 = 2 × 5/28 × 5 = 10/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
81/10 = 81 × 14/10 × 14 = 1134/140 - Add the two like fractions:
10/140 + 1134/140 = 10 + 1134/140 = 1144/140 - 1144/140 simplified gives 286/35
- So, 2/28 + 81/10 = 286/35
In mixed form: 86/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28+81/10 2/56+81/10 2/28+81/20 6/28+81/10 2/84+81/10 2/28+81/30 10/28+81/10 2/28+81/50 14/28+81/10 2/28+81/70