Add 72/40 and 98/56
1st number: 1 32/40, 2nd number: 1 42/56
72/40 + 98/56 is 71/20.
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,
72/40 = 72 × 7/40 × 7 = 504/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280 - Add the two like fractions:
504/280 + 490/280 = 504 + 490/280 = 994/280 - 994/280 simplified gives 71/20
- So, 72/40 + 98/56 = 71/20
In mixed form: 311/20
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