Add 28/15 and 7/63
1st number: 1 13/15, 2nd number: 7/63
28/15 + 7/63 is 89/45.
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,
28/15 = 28 × 21/15 × 21 = 588/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Add the two like fractions:
588/315 + 35/315 = 588 + 35/315 = 623/315 - 623/315 simplified gives 89/45
- So, 28/15 + 7/63 = 89/45
In mixed form: 144/45
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