Add 21/15 and 9/48
1st number: 1 6/15, 2nd number: 9/48
21/15 + 9/48 is 127/80.
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,
9/48 = 9 × 5/48 × 5 = 45/240 - Add the two like fractions:
336/240 + 45/240 = 336 + 45/240 = 381/240 - 381/240 simplified gives 127/80
- So, 21/15 + 9/48 = 127/80
In mixed form: 147/80
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