Add 70/15 and 28/63
1st number: 4 10/15, 2nd number: 28/63
70/15 + 28/63 is 46/9.
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,
70/15 = 70 × 21/15 × 21 = 1470/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Add the two like fractions:
1470/315 + 140/315 = 1470 + 140/315 = 1610/315 - 1610/315 simplified gives 46/9
- So, 70/15 + 28/63 = 46/9
In mixed form: 51/9
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