Add 16/56 and 7/20
16/56 + 7/20 is 89/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
16/56 = 16 × 5/56 × 5 = 80/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
7/20 = 7 × 14/20 × 14 = 98/280 - Add the two like fractions:
80/280 + 98/280 = 80 + 98/280 = 178/280 - 178/280 simplified gives 89/140
- So, 16/56 + 7/20 = 89/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/56+7/20 16/56+14/20 16/56+7/40 48/56+7/20 16/56+21/20 16/56+7/60 80/56+7/20 16/56+35/20 16/56+49/20