Add 6/4 and 21/72
1st number: 1 2/4, 2nd number: 21/72
6/4 + 21/72 is 43/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
6/4 = 6 × 18/4 × 18 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
108/72 + 21/72 = 108 + 21/72 = 129/72 - 129/72 simplified gives 43/24
- So, 6/4 + 21/72 = 43/24
In mixed form: 119/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4+21/72 6/4+42/72 6/8+21/72 18/4+21/72 6/4+63/72 6/12+21/72 30/4+21/72 6/20+21/72 42/4+21/72 6/28+21/72