Add 15/28 and 63/72
15/28 + 63/72 is 79/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
15/28 = 15 × 18/28 × 18 = 270/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504 - Add the two like fractions:
270/504 + 441/504 = 270 + 441/504 = 711/504 - 711/504 simplified gives 79/56
- So, 15/28 + 63/72 = 79/56
In mixed form: 123/56
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