Add 90/36 and 72/42
1st number: 2 18/36, 2nd number: 1 30/42
90/36 + 72/42 is 59/14.
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,
90/36 = 90 × 7/36 × 7 = 630/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
72/42 = 72 × 6/42 × 6 = 432/252 - Add the two like fractions:
630/252 + 432/252 = 630 + 432/252 = 1062/252 - 1062/252 simplified gives 59/14
- So, 90/36 + 72/42 = 59/14
In mixed form: 43/14
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