Add 15/49 and 21/72
15/49 + 21/72 is 703/1176.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
15/49 = 15 × 72/49 × 72 = 1080/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
21/72 = 21 × 49/72 × 49 = 1029/3528 - Add the two like fractions:
1080/3528 + 1029/3528 = 1080 + 1029/3528 = 2109/3528 - 2109/3528 simplified gives 703/1176
- So, 15/49 + 21/72 = 703/1176
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