Add 42/21 and 40/14
1st number: 2 0/21, 2nd number: 2 12/14
42/21 + 40/14 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
42/21 = 42 × 2/21 × 2 = 84/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Add the two like fractions:
84/42 + 120/42 = 84 + 120/42 = 204/42 - 204/42 simplified gives 34/7
- So, 42/21 + 40/14 = 34/7
In mixed form: 46/7
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