Add 45/56 and 54/70
45/56 + 54/70 is 63/40.
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,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
54/70 = 54 × 4/70 × 4 = 216/280 - Add the two like fractions:
225/280 + 216/280 = 225 + 216/280 = 441/280 - 441/280 simplified gives 63/40
- So, 45/56 + 54/70 = 63/40
In mixed form: 123/40
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