Add 20/27 and 21/56
20/27 + 21/56 is 241/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 27 × 56 = 1512,
20/27 = 20 × 56/27 × 56 = 1120/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
21/56 = 21 × 27/56 × 27 = 567/1512 - Add the two like fractions:
1120/1512 + 567/1512 = 1120 + 567/1512 = 1687/1512 - 1687/1512 simplified gives 241/216
- So, 20/27 + 21/56 = 241/216
In mixed form: 125/216
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