Add 42/72 and 15/63
42/72 + 15/63 is 23/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
15/63 = 15 × 8/63 × 8 = 120/504 - Add the two like fractions:
294/504 + 120/504 = 294 + 120/504 = 414/504 - 414/504 simplified gives 23/28
- So, 42/72 + 15/63 = 23/28
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