Add 56/7 and 42/40
1st number: 8 0/7, 2nd number: 1 2/40
56/7 + 42/40 is 181/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
56/7 = 56 × 40/7 × 40 = 2240/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
42/40 = 42 × 7/40 × 7 = 294/280 - Add the two like fractions:
2240/280 + 294/280 = 2240 + 294/280 = 2534/280 - 2534/280 simplified gives 181/20
- So, 56/7 + 42/40 = 181/20
In mixed form: 91/20
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