Add 75/63 and 30/15
1st number: 1 12/63, 2nd number: 2 0/15
75/63 + 30/15 is 67/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
75/63 = 75 × 5/63 × 5 = 375/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
30/15 = 30 × 21/15 × 21 = 630/315 - Add the two like fractions:
375/315 + 630/315 = 375 + 630/315 = 1005/315 - 1005/315 simplified gives 67/21
- So, 75/63 + 30/15 = 67/21
In mixed form: 34/21
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