Add 42/5 and 70/63
1st number: 8 2/5, 2nd number: 1 7/63
42/5 + 70/63 is 428/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
42/5 = 42 × 63/5 × 63 = 2646/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
2646/315 + 350/315 = 2646 + 350/315 = 2996/315 - 2996/315 simplified gives 428/45
- So, 42/5 + 70/63 = 428/45
In mixed form: 923/45
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