Add 1/16 and 21/72
1/16 + 21/72 is 17/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
1/16 = 1 × 9/16 × 9 = 9/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
21/72 = 21 × 2/72 × 2 = 42/144 - Add the two like fractions:
9/144 + 42/144 = 9 + 42/144 = 51/144 - 51/144 simplified gives 17/48
- So, 1/16 + 21/72 = 17/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/16+21/72 1/16+42/72 1/32+21/72 3/16+21/72 1/16+63/72 1/48+21/72 5/16+21/72 1/80+21/72 7/16+21/72