Add 70/72 and 4/63
70/72 + 4/63 is 29/28.
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,
70/72 = 70 × 7/72 × 7 = 490/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
4/63 = 4 × 8/63 × 8 = 32/504 - Add the two like fractions:
490/504 + 32/504 = 490 + 32/504 = 522/504 - 522/504 simplified gives 29/28
- So, 70/72 + 4/63 = 29/28
In mixed form: 11/28
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