Add 35/21 and 18/56
1st number: 1 14/21, 2nd number: 18/56
35/21 + 18/56 is 167/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
35/21 = 35 × 8/21 × 8 = 280/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Add the two like fractions:
280/168 + 54/168 = 280 + 54/168 = 334/168 - 334/168 simplified gives 167/84
- So, 35/21 + 18/56 = 167/84
In mixed form: 183/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+18/56 35/21+36/56 35/42+18/56 35/21+54/56 35/63+18/56 35/21+90/56