Add 21/15 and 28/48
1st number: 1 6/15, 2nd number: 28/48
21/15 + 28/48 is 119/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
21/15 = 21 × 16/15 × 16 = 336/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Add the two like fractions:
336/240 + 140/240 = 336 + 140/240 = 476/240 - 476/240 simplified gives 119/60
- So, 21/15 + 28/48 = 119/60
In mixed form: 159/60
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