Add 90/28 and 15/63
1st number: 3 6/28, 2nd number: 15/63
90/28 + 15/63 is 145/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
810/252 + 60/252 = 810 + 60/252 = 870/252 - 870/252 simplified gives 145/42
- So, 90/28 + 15/63 = 145/42
In mixed form: 319/42
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