Add 4/16 and 21/56
4/16 + 21/56 is 5/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
4/16 = 4 × 7/16 × 7 = 28/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
21/56 = 21 × 2/56 × 2 = 42/112 - Add the two like fractions:
28/112 + 42/112 = 28 + 42/112 = 70/112 - 70/112 simplified gives 5/8
- So, 4/16 + 21/56 = 5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+21/56 4/16+42/56 4/32+21/56 12/16+21/56 4/16+63/56 4/48+21/56 20/16+21/56 4/80+21/56 28/16+21/56