Add 10/72 and 15/21
10/72 + 15/21 is 215/252.
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,
10/72 = 10 × 7/72 × 7 = 70/504 - Likewise, for the 2nd fraction, since 21 × 24 = 504,
15/21 = 15 × 24/21 × 24 = 360/504 - Add the two like fractions:
70/504 + 360/504 = 70 + 360/504 = 430/504 - 430/504 simplified gives 215/252
- So, 10/72 + 15/21 = 215/252
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