Add 15/40 and 81/48
1st number: 15/40, 2nd number: 1 33/48
15/40 + 81/48 is 33/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
15/40 = 15 × 6/40 × 6 = 90/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
81/48 = 81 × 5/48 × 5 = 405/240 - Add the two like fractions:
90/240 + 405/240 = 90 + 405/240 = 495/240 - 495/240 simplified gives 33/16
- So, 15/40 + 81/48 = 33/16
In mixed form: 21/16
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