Add 7/56 and 14/21
7/56 + 14/21 is 19/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
7/56 = 7 × 3/56 × 3 = 21/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
14/21 = 14 × 8/21 × 8 = 112/168 - Add the two like fractions:
21/168 + 112/168 = 21 + 112/168 = 133/168 - 133/168 simplified gives 19/24
- So, 7/56 + 14/21 = 19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+14/21 7/56+28/21 7/56+14/42 21/56+14/21 7/56+42/21 7/56+14/63 35/56+14/21 7/56+70/21 49/56+14/21 7/56+98/21