Add 1/56 and 9/21
1/56 + 9/21 is 25/56.
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,
1/56 = 1 × 3/56 × 3 = 3/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
9/21 = 9 × 8/21 × 8 = 72/168 - Add the two like fractions:
3/168 + 72/168 = 3 + 72/168 = 75/168 - 75/168 simplified gives 25/56
- So, 1/56 + 9/21 = 25/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56+9/21 1/56+18/21 1/56+9/42 3/56+9/21 1/56+27/21 1/56+9/63 5/56+9/21 1/56+45/21 7/56+9/21 1/56+63/21