Add 21/7 and 70/36
1st number: 3 0/7, 2nd number: 1 34/36
21/7 + 70/36 is 89/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
21/7 = 21 × 36/7 × 36 = 756/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Add the two like fractions:
756/252 + 490/252 = 756 + 490/252 = 1246/252 - 1246/252 simplified gives 89/18
- So, 21/7 + 70/36 = 89/18
In mixed form: 417/18
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