Add 21/4 and 42/3
1st number: 5 1/4, 2nd number: 14 0/3
21/4 + 42/3 is 77/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
42/3 = 42 × 4/3 × 4 = 168/12 - Add the two like fractions:
63/12 + 168/12 = 63 + 168/12 = 231/12 - 231/12 simplified gives 77/4
- So, 21/4 + 42/3 = 77/4
In mixed form: 191/4
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