Add 54/56 and 3/40
54/56 + 3/40 is 291/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 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 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280 - Add the two like fractions:
270/280 + 21/280 = 270 + 21/280 = 291/280 - So, 54/56 + 3/40 = 291/280
In mixed form: 111/280
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