Add 81/40 and 45/56
1st number: 2 1/40, 2nd number: 45/56
81/40 + 45/56 is 99/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
81/40 = 81 × 7/40 × 7 = 567/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Add the two like fractions:
567/280 + 225/280 = 567 + 225/280 = 792/280 - 792/280 simplified gives 99/35
- So, 81/40 + 45/56 = 99/35
In mixed form: 229/35
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