Add 18/36 and 21/56
18/36 + 21/56 is 7/8.
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,
18/36 = 18 × 14/36 × 14 = 252/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
252/504 + 189/504 = 252 + 189/504 = 441/504 - 441/504 simplified gives 7/8
- So, 18/36 + 21/56 = 7/8
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