Add 9/20 and 81/15
1st number: 9/20, 2nd number: 5 6/15
9/20 + 81/15 is 117/20.
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,
9/20 = 9 × 3/20 × 3 = 27/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
81/15 = 81 × 4/15 × 4 = 324/60 - Add the two like fractions:
27/60 + 324/60 = 27 + 324/60 = 351/60 - 351/60 simplified gives 117/20
- So, 9/20 + 81/15 = 117/20
In mixed form: 517/20
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