Add 9/84 and 15/25
9/84 + 15/25 is 99/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
9/84 = 9 × 25/84 × 25 = 225/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
15/25 = 15 × 84/25 × 84 = 1260/2100 - Add the two like fractions:
225/2100 + 1260/2100 = 225 + 1260/2100 = 1485/2100 - 1485/2100 simplified gives 99/140
- So, 9/84 + 15/25 = 99/140
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