Add 70/63 and 64/45
1st number: 1 7/63, 2nd number: 1 19/45
70/63 + 64/45 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 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 45 × 7 = 315,
64/45 = 64 × 7/45 × 7 = 448/315 - Add the two like fractions:
350/315 + 448/315 = 350 + 448/315 = 798/315 - 798/315 simplified gives 38/15
- So, 70/63 + 64/45 = 38/15
In mixed form: 28/15
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