Add 10/30 and 72/15
1st number: 10/30, 2nd number: 4 12/15
10/30 + 72/15 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
10/30 = 10 × 1/30 × 1 = 10/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30 - Add the two like fractions:
10/30 + 144/30 = 10 + 144/30 = 154/30 - 154/30 simplified gives 77/15
- So, 10/30 + 72/15 = 77/15
In mixed form: 52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+72/15 10/60+72/15 10/30+72/30 10/90+72/15 10/30+72/45 50/30+72/15 10/30+72/75 70/30+72/15