Add 7/72 and 25/63
7/72 + 25/63 is 83/168.
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,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
25/63 = 25 × 8/63 × 8 = 200/504 - Add the two like fractions:
49/504 + 200/504 = 49 + 200/504 = 249/504 - 249/504 simplified gives 83/168
- So, 7/72 + 25/63 = 83/168
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