Add 35/28 and 72/10
1st number: 1 7/28, 2nd number: 7 2/10
35/28 + 72/10 is 169/20.
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,
35/28 = 35 × 5/28 × 5 = 175/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
72/10 = 72 × 14/10 × 14 = 1008/140 - Add the two like fractions:
175/140 + 1008/140 = 175 + 1008/140 = 1183/140 - 1183/140 simplified gives 169/20
- So, 35/28 + 72/10 = 169/20
In mixed form: 89/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+72/10 35/56+72/10 35/28+72/20 35/84+72/10 35/28+72/30 35/28+72/50 35/28+72/70