Add 21/56 and 40/54
21/56 + 40/54 is 241/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
21/56 = 21 × 27/56 × 27 = 567/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
40/54 = 40 × 28/54 × 28 = 1120/1512 - Add the two like fractions:
567/1512 + 1120/1512 = 567 + 1120/1512 = 1687/1512 - 1687/1512 simplified gives 241/216
- So, 21/56 + 40/54 = 241/216
In mixed form: 125/216
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