Add 25/15 and 28/63
1st number: 1 10/15, 2nd number: 28/63
25/15 + 28/63 is 19/9.
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,
25/15 = 25 × 21/15 × 21 = 525/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Add the two like fractions:
525/315 + 140/315 = 525 + 140/315 = 665/315 - 665/315 simplified gives 19/9
- So, 25/15 + 28/63 = 19/9
In mixed form: 21/9
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