Add 15/28 and 45/63
15/28 + 45/63 is 5/4.
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,
15/28 = 15 × 9/28 × 9 = 135/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Add the two like fractions:
135/252 + 180/252 = 135 + 180/252 = 315/252 - 315/252 simplified gives 5/4
- So, 15/28 + 45/63 = 5/4
In mixed form: 11/4
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