Add 63/45 and 42/63
1st number: 1 18/45, 2nd number: 42/63
63/45 + 42/63 is 31/15.
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,
63/45 = 63 × 7/45 × 7 = 441/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
42/63 = 42 × 5/63 × 5 = 210/315 - Add the two like fractions:
441/315 + 210/315 = 441 + 210/315 = 651/315 - 651/315 simplified gives 31/15
- So, 63/45 + 42/63 = 31/15
In mixed form: 21/15
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