Add 18/20 and 72/56
1st number: 18/20, 2nd number: 1 16/56
18/20 + 72/56 is 153/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
18/20 = 18 × 14/20 × 14 = 252/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
72/56 = 72 × 5/56 × 5 = 360/280 - Add the two like fractions:
252/280 + 360/280 = 252 + 360/280 = 612/280 - 612/280 simplified gives 153/70
- So, 18/20 + 72/56 = 153/70
In mixed form: 213/70
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