Add 72/15 and 35/10
1st number: 4 12/15, 2nd number: 3 5/10
72/15 + 35/10 is 83/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
35/10 = 35 × 3/10 × 3 = 105/30 - Add the two like fractions:
144/30 + 105/30 = 144 + 105/30 = 249/30 - 249/30 simplified gives 83/10
- So, 72/15 + 35/10 = 83/10
In mixed form: 83/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+70/10 72/30+35/10 72/15+35/20 72/45+35/10 72/15+35/30 72/75+35/10 72/15+35/50 72/15+35/70