Add 15/20 and 40/48
15/20 + 40/48 is 19/12.
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,
40/48 = 40 × 5/48 × 5 = 200/240 - Add the two like fractions:
180/240 + 200/240 = 180 + 200/240 = 380/240 - 380/240 simplified gives 19/12
- So, 15/20 + 40/48 = 19/12
In mixed form: 17/12
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