Add 3/4 and 72/7
1st number: 3/4, 2nd number: 10 2/7
3/4 + 72/7 is 309/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
3/4 = 3 × 7/4 × 7 = 21/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
72/7 = 72 × 4/7 × 4 = 288/28 - Add the two like fractions:
21/28 + 288/28 = 21 + 288/28 = 309/28 - So, 3/4 + 72/7 = 309/28
In mixed form: 111/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+72/7 3/8+72/7 3/4+72/14 9/4+72/7 3/12+72/7 3/4+72/21 15/4+72/7 3/20+72/7 3/4+72/35 21/4+72/7 3/28+72/7 3/4+72/49