Add 90/7 and 42/36
1st number: 12 6/7, 2nd number: 1 6/36
90/7 + 42/36 is 589/42.
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,
90/7 = 90 × 36/7 × 36 = 3240/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
42/36 = 42 × 7/36 × 7 = 294/252 - Add the two like fractions:
3240/252 + 294/252 = 3240 + 294/252 = 3534/252 - 3534/252 simplified gives 589/42
- So, 90/7 + 42/36 = 589/42
In mixed form: 141/42
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