Add 1/36 and 70/21
1st number: 1/36, 2nd number: 3 7/21
1/36 + 70/21 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
1/36 = 1 × 7/36 × 7 = 7/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
70/21 = 70 × 12/21 × 12 = 840/252 - Add the two like fractions:
7/252 + 840/252 = 7 + 840/252 = 847/252 - 847/252 simplified gives 121/36
- So, 1/36 + 70/21 = 121/36
In mixed form: 313/36
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