Add 15/20 and 81/48
1st number: 15/20, 2nd number: 1 33/48
15/20 + 81/48 is 39/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
15/20 = 15 × 12/20 × 12 = 180/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
81/48 = 81 × 5/48 × 5 = 405/240 - Add the two like fractions:
180/240 + 405/240 = 180 + 405/240 = 585/240 - 585/240 simplified gives 39/16
- So, 15/20 + 81/48 = 39/16
In mixed form: 27/16
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