Add 72/7 and 56/40
1st number: 10 2/7, 2nd number: 1 16/40
72/7 + 56/40 is 409/35.
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,
72/7 = 72 × 40/7 × 40 = 2880/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
56/40 = 56 × 7/40 × 7 = 392/280 - Add the two like fractions:
2880/280 + 392/280 = 2880 + 392/280 = 3272/280 - 3272/280 simplified gives 409/35
- So, 72/7 + 56/40 = 409/35
In mixed form: 1124/35
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