Add 4/56 and 35/21
1st number: 4/56, 2nd number: 1 14/21
4/56 + 35/21 is 73/42.
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,
4/56 = 4 × 3/56 × 3 = 12/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
35/21 = 35 × 8/21 × 8 = 280/168 - Add the two like fractions:
12/168 + 280/168 = 12 + 280/168 = 292/168 - 292/168 simplified gives 73/42
- So, 4/56 + 35/21 = 73/42
In mixed form: 131/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56+35/21 4/56+70/21 4/56+35/42 12/56+35/21 4/56+35/63 20/56+35/21 28/56+35/21