Add 54/56 and 30/20
1st number: 54/56, 2nd number: 1 10/20
54/56 + 30/20 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
30/20 = 30 × 14/20 × 14 = 420/280 - Add the two like fractions:
270/280 + 420/280 = 270 + 420/280 = 690/280 - 690/280 simplified gives 69/28
- So, 54/56 + 30/20 = 69/28
In mixed form: 213/28
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