Add 90/36 and 7/84
1st number: 2 18/36, 2nd number: 7/84
90/36 + 7/84 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 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 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Add the two like fractions:
630/252 + 21/252 = 630 + 21/252 = 651/252 - 651/252 simplified gives 31/12
- So, 90/36 + 7/84 = 31/12
In mixed form: 27/12
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