Add 70/63 and 1/15
1st number: 1 7/63, 2nd number: 1/15
70/63 + 1/15 is 53/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
1/15 = 1 × 21/15 × 21 = 21/315 - Add the two like fractions:
350/315 + 21/315 = 350 + 21/315 = 371/315 - 371/315 simplified gives 53/45
- So, 70/63 + 1/15 = 53/45
In mixed form: 18/45
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