Add 21/27 and 45/56
21/27 + 45/56 is 797/504.
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,
21/27 = 21 × 56/27 × 56 = 1176/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
45/56 = 45 × 27/56 × 27 = 1215/1512 - Add the two like fractions:
1176/1512 + 1215/1512 = 1176 + 1215/1512 = 2391/1512 - 2391/1512 simplified gives 797/504
- So, 21/27 + 45/56 = 797/504
In mixed form: 1293/504
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