Add 36/21 and 56/49
1st number: 1 15/21, 2nd number: 1 7/49
36/21 + 56/49 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
36/21 = 36 × 7/21 × 7 = 252/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
56/49 = 56 × 3/49 × 3 = 168/147 - Add the two like fractions:
252/147 + 168/147 = 252 + 168/147 = 420/147 - 420/147 simplified gives 20/7
- So, 36/21 + 56/49 = 20/7
In mixed form: 26/7
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