Add 21/14 and 42/3
1st number: 1 7/14, 2nd number: 14 0/3
21/14 + 42/3 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
42/3 = 42 × 14/3 × 14 = 588/42 - Add the two like fractions:
63/42 + 588/42 = 63 + 588/42 = 651/42 - 651/42 simplified gives 31/2
- So, 21/14 + 42/3 = 31/2
In mixed form: 151/2
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