Add 21/9 and 42/48
1st number: 2 3/9, 2nd number: 42/48
21/9 + 42/48 is 77/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Add the two like fractions:
336/144 + 126/144 = 336 + 126/144 = 462/144 - 462/144 simplified gives 77/24
- So, 21/9 + 42/48 = 77/24
In mixed form: 35/24
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