Add 45/12 and 25/84
1st number: 3 9/12, 2nd number: 25/84
45/12 + 25/84 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
45/12 = 45 × 7/12 × 7 = 315/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
25/84 = 25 × 1/84 × 1 = 25/84 - Add the two like fractions:
315/84 + 25/84 = 315 + 25/84 = 340/84 - 340/84 simplified gives 85/21
- So, 45/12 + 25/84 = 85/21
In mixed form: 41/21
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