Add 45/21 and 27/56
1st number: 2 3/21, 2nd number: 27/56
45/21 + 27/56 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
45/21 = 45 × 8/21 × 8 = 360/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
27/56 = 27 × 3/56 × 3 = 81/168 - Add the two like fractions:
360/168 + 81/168 = 360 + 81/168 = 441/168 - 441/168 simplified gives 21/8
- So, 45/21 + 27/56 = 21/8
In mixed form: 25/8
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