Add 36/21 and 7/56
1st number: 1 15/21, 2nd number: 7/56
36/21 + 7/56 is 103/56.
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,
36/21 = 36 × 8/21 × 8 = 288/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
7/56 = 7 × 3/56 × 3 = 21/168 - Add the two like fractions:
288/168 + 21/168 = 288 + 21/168 = 309/168 - 309/168 simplified gives 103/56
- So, 36/21 + 7/56 = 103/56
In mixed form: 147/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+7/56 36/21+14/56 36/42+7/56 36/21+21/56 36/63+7/56 36/21+35/56 36/21+49/56