Add 20/25 and 90/84
1st number: 20/25, 2nd number: 1 6/84
20/25 + 90/84 is 131/70.
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,
20/25 = 20 × 84/25 × 84 = 1680/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
90/84 = 90 × 25/84 × 25 = 2250/2100 - Add the two like fractions:
1680/2100 + 2250/2100 = 1680 + 2250/2100 = 3930/2100 - 3930/2100 simplified gives 131/70
- So, 20/25 + 90/84 = 131/70
In mixed form: 161/70
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