Add 15/5 and 90/63
1st number: 3 0/5, 2nd number: 1 27/63
15/5 + 90/63 is 31/7.
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,
15/5 = 15 × 63/5 × 63 = 945/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Add the two like fractions:
945/315 + 450/315 = 945 + 450/315 = 1395/315 - 1395/315 simplified gives 31/7
- So, 15/5 + 90/63 = 31/7
In mixed form: 43/7
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