Add 15/28 and 27/72
15/28 + 27/72 is 51/56.
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,
27/72 = 27 × 7/72 × 7 = 189/504 - Add the two like fractions:
270/504 + 189/504 = 270 + 189/504 = 459/504 - 459/504 simplified gives 51/56
- So, 15/28 + 27/72 = 51/56
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