Add 15/25 and 21/48
15/25 + 21/48 is 83/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 25 × 48 = 1200,
15/25 = 15 × 48/25 × 48 = 720/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
21/48 = 21 × 25/48 × 25 = 525/1200 - Add the two like fractions:
720/1200 + 525/1200 = 720 + 525/1200 = 1245/1200 - 1245/1200 simplified gives 83/80
- So, 15/25 + 21/48 = 83/80
In mixed form: 13/80
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