Add 72/28 and 18/10
1st number: 2 16/28, 2nd number: 1 8/10
72/28 + 18/10 is 153/35.
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,
72/28 = 72 × 5/28 × 5 = 360/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
18/10 = 18 × 14/10 × 14 = 252/140 - Add the two like fractions:
360/140 + 252/140 = 360 + 252/140 = 612/140 - 612/140 simplified gives 153/35
- So, 72/28 + 18/10 = 153/35
In mixed form: 413/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+36/10 72/56+18/10 72/28+18/20 72/28+54/10 72/84+18/10 72/28+18/30 72/28+90/10 72/28+18/50 72/28+18/70