Add 81/36 and 70/63
1st number: 2 9/36, 2nd number: 1 7/63
81/36 + 70/63 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
70/63 = 70 × 4/63 × 4 = 280/252 - Add the two like fractions:
567/252 + 280/252 = 567 + 280/252 = 847/252 - 847/252 simplified gives 121/36
- So, 81/36 + 70/63 = 121/36
In mixed form: 313/36
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