Add 7/15 and 28/63
7/15 + 28/63 is 41/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
7/15 = 7 × 21/15 × 21 = 147/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Add the two like fractions:
147/315 + 140/315 = 147 + 140/315 = 287/315 - 287/315 simplified gives 41/45
- So, 7/15 + 28/63 = 41/45
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