Add 63/72 and 32/21
1st number: 63/72, 2nd number: 1 11/21
63/72 + 32/21 is 403/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 21 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504 - Likewise, for the 2nd fraction, since 21 × 24 = 504,
32/21 = 32 × 24/21 × 24 = 768/504 - Add the two like fractions:
441/504 + 768/504 = 441 + 768/504 = 1209/504 - 1209/504 simplified gives 403/168
- So, 63/72 + 32/21 = 403/168
In mixed form: 267/168
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