Add 15/25 and 20/84
15/25 + 20/84 is 88/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
15/25 = 15 × 84/25 × 84 = 1260/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
20/84 = 20 × 25/84 × 25 = 500/2100 - Add the two like fractions:
1260/2100 + 500/2100 = 1260 + 500/2100 = 1760/2100 - 1760/2100 simplified gives 88/105
- So, 15/25 + 20/84 = 88/105
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