Add 15/63 and 20/5
1st number: 15/63, 2nd number: 4 0/5
15/63 + 20/5 is 89/21.
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,
15/63 = 15 × 5/63 × 5 = 75/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
20/5 = 20 × 63/5 × 63 = 1260/315 - Add the two like fractions:
75/315 + 1260/315 = 75 + 1260/315 = 1335/315 - 1335/315 simplified gives 89/21
- So, 15/63 + 20/5 = 89/21
In mixed form: 45/21
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