Add 72/75 and 1/15
72/75 + 1/15 is 77/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
72/75 = 72 × 1/75 × 1 = 72/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
1/15 = 1 × 5/15 × 5 = 5/75 - Add the two like fractions:
72/75 + 5/75 = 72 + 5/75 = 77/75 - So, 72/75 + 1/15 = 77/75
In mixed form: 12/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75+2/15 72/75+1/30 72/75+3/15 72/75+1/45 72/75+5/15 72/75+1/75 72/75+7/15