Add 81/63 and 72/5
1st number: 1 18/63, 2nd number: 14 2/5
81/63 + 72/5 is 549/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
81/63 = 81 × 5/63 × 5 = 405/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
72/5 = 72 × 63/5 × 63 = 4536/315 - Add the two like fractions:
405/315 + 4536/315 = 405 + 4536/315 = 4941/315 - 4941/315 simplified gives 549/35
- So, 81/63 + 72/5 = 549/35
In mixed form: 1524/35
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