Add 15/5 and 21/63
1st number: 3 0/5, 2nd number: 21/63
15/5 + 21/63 is 10/3.
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,
21/63 = 21 × 5/63 × 5 = 105/315 - Add the two like fractions:
945/315 + 105/315 = 945 + 105/315 = 1050/315 - 1050/315 simplified gives 10/3
- So, 15/5 + 21/63 = 10/3
In mixed form: 31/3
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