Add 54/56 and 27/70
54/56 + 27/70 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 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 70 × 4 = 280,
27/70 = 27 × 4/70 × 4 = 108/280 - Add the two like fractions:
270/280 + 108/280 = 270 + 108/280 = 378/280 - 378/280 simplified gives 27/20
- So, 54/56 + 27/70 = 27/20
In mixed form: 17/20
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