Add 20/56 and 45/27
1st number: 20/56, 2nd number: 1 18/27
20/56 + 45/27 is 85/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
20/56 = 20 × 27/56 × 27 = 540/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
45/27 = 45 × 56/27 × 56 = 2520/1512 - Add the two like fractions:
540/1512 + 2520/1512 = 540 + 2520/1512 = 3060/1512 - 3060/1512 simplified gives 85/42
- So, 20/56 + 45/27 = 85/42
In mixed form: 21/42
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