Add 42/45 and 7/63
42/45 + 7/63 is 47/45.
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,
42/45 = 42 × 7/45 × 7 = 294/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Add the two like fractions:
294/315 + 35/315 = 294 + 35/315 = 329/315 - 329/315 simplified gives 47/45
- So, 42/45 + 7/63 = 47/45
In mixed form: 12/45
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