Add 18/56 and 72/70
1st number: 18/56, 2nd number: 1 2/70
18/56 + 72/70 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Add the two like fractions:
90/280 + 288/280 = 90 + 288/280 = 378/280 - 378/280 simplified gives 27/20
- So, 18/56 + 72/70 = 27/20
In mixed form: 17/20
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