Add 25/12 and 8/21
1st number: 2 1/12, 2nd number: 8/21
25/12 + 8/21 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
25/12 = 25 × 7/12 × 7 = 175/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
8/21 = 8 × 4/21 × 4 = 32/84 - Add the two like fractions:
175/84 + 32/84 = 175 + 32/84 = 207/84 - 207/84 simplified gives 69/28
- So, 25/12 + 8/21 = 69/28
In mixed form: 213/28
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