Add 72/6 and 21/16
1st number: 12 0/6, 2nd number: 1 5/16
72/6 + 21/16 is 213/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 6 × 8 = 48,
72/6 = 72 × 8/6 × 8 = 576/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Add the two like fractions:
576/48 + 63/48 = 576 + 63/48 = 639/48 - 639/48 simplified gives 213/16
- So, 72/6 + 21/16 = 213/16
In mixed form: 135/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+42/16 72/12+21/16 72/6+21/32 72/6+63/16 72/18+21/16 72/6+21/48 72/30+21/16 72/6+21/80 72/42+21/16