Add 18/20 and 56/15
1st number: 18/20, 2nd number: 3 11/15
18/20 + 56/15 is 139/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Add the two like fractions:
54/60 + 224/60 = 54 + 224/60 = 278/60 - 278/60 simplified gives 139/30
- So, 18/20 + 56/15 = 139/30
In mixed form: 419/30
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