Add 81/20 and 9/15
1st number: 4 1/20, 2nd number: 9/15
81/20 + 9/15 is 93/20.
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,
81/20 = 81 × 3/20 × 3 = 243/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
9/15 = 9 × 4/15 × 4 = 36/60 - Add the two like fractions:
243/60 + 36/60 = 243 + 36/60 = 279/60 - 279/60 simplified gives 93/20
- So, 81/20 + 9/15 = 93/20
In mixed form: 413/20
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