Add 7/14 and 25/21
1st number: 7/14, 2nd number: 1 4/21
7/14 + 25/21 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
7/14 = 7 × 3/14 × 3 = 21/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
25/21 = 25 × 2/21 × 2 = 50/42 - Add the two like fractions:
21/42 + 50/42 = 21 + 50/42 = 71/42 - So, 7/14 + 25/21 = 71/42
In mixed form: 129/42
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