Add 21/48 and 28/15
1st number: 21/48, 2nd number: 1 13/15
21/48 + 28/15 is 553/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
28/15 = 28 × 16/15 × 16 = 448/240 - Add the two like fractions:
105/240 + 448/240 = 105 + 448/240 = 553/240 - So, 21/48 + 28/15 = 553/240
In mixed form: 273/240
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