Add 40/56 and 20/12
1st number: 40/56, 2nd number: 1 8/12
40/56 + 20/12 is 50/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
40/56 = 40 × 3/56 × 3 = 120/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
20/12 = 20 × 14/12 × 14 = 280/168 - Add the two like fractions:
120/168 + 280/168 = 120 + 280/168 = 400/168 - 400/168 simplified gives 50/21
- So, 40/56 + 20/12 = 50/21
In mixed form: 28/21
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