Add 12/14 and 21/49
12/14 + 21/49 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
12/14 = 12 × 7/14 × 7 = 84/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
21/49 = 21 × 2/49 × 2 = 42/98 - Add the two like fractions:
84/98 + 42/98 = 84 + 42/98 = 126/98 - 126/98 simplified gives 9/7
- So, 12/14 + 21/49 = 9/7
In mixed form: 12/7
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