Add 7/36 and 21/56
7/36 + 21/56 is 41/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
7/36 = 7 × 14/36 × 14 = 98/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
98/504 + 189/504 = 98 + 189/504 = 287/504 - 287/504 simplified gives 41/72
- So, 7/36 + 21/56 = 41/72
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