Add 20/56 and 24/21
1st number: 20/56, 2nd number: 1 3/21
20/56 + 24/21 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
20/56 = 20 × 3/56 × 3 = 60/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
24/21 = 24 × 8/21 × 8 = 192/168 - Add the two like fractions:
60/168 + 192/168 = 60 + 192/168 = 252/168 - 252/168 simplified gives 3/2
- So, 20/56 + 24/21 = 3/2
In mixed form: 11/2
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