Add 42/21 and 14/7
1st number: 2 0/21, 2nd number: 2 0/7
42/21 + 14/7 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 21 × 1 = 21,
42/21 = 42 × 1/21 × 1 = 42/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
14/7 = 14 × 3/7 × 3 = 42/21 - Add the two like fractions:
42/21 + 42/21 = 42 + 42/21 = 84/21 - 84/21 simplified gives 4/1
- So, 42/21 + 14/7 = 4/1
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