Add 25/2 and 21/7
1st number: 12 1/2, 2nd number: 3 0/7
25/2 + 21/7 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
25/2 = 25 × 7/2 × 7 = 175/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
21/7 = 21 × 2/7 × 2 = 42/14 - Add the two like fractions:
175/14 + 42/14 = 175 + 42/14 = 217/14 - 217/14 simplified gives 31/2
- So, 25/2 + 21/7 = 31/2
In mixed form: 151/2
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