Add 30/45 and 60/63
30/45 + 60/63 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
30/45 = 30 × 7/45 × 7 = 210/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
60/63 = 60 × 5/63 × 5 = 300/315 - Add the two like fractions:
210/315 + 300/315 = 210 + 300/315 = 510/315 - 510/315 simplified gives 34/21
- So, 30/45 + 60/63 = 34/21
In mixed form: 113/21
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