Add 36/4 and 21/72
1st number: 9 0/4, 2nd number: 21/72
36/4 + 21/72 is 223/24.
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,
36/4 = 36 × 18/4 × 18 = 648/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
648/72 + 21/72 = 648 + 21/72 = 669/72 - 669/72 simplified gives 223/24
- So, 36/4 + 21/72 = 223/24
In mixed form: 97/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+21/72 36/4+42/72 36/8+21/72 36/4+63/72 36/12+21/72 36/20+21/72 36/28+21/72