Add 3/36 and 81/42
1st number: 3/36, 2nd number: 1 39/42
3/36 + 81/42 is 169/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
81/42 = 81 × 6/42 × 6 = 486/252 - Add the two like fractions:
21/252 + 486/252 = 21 + 486/252 = 507/252 - 507/252 simplified gives 169/84
- So, 3/36 + 81/42 = 169/84
In mixed form: 21/84
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