Add 20/14 and 90/84
1st number: 1 6/14, 2nd number: 1 6/84
20/14 + 90/84 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
20/14 = 20 × 6/14 × 6 = 120/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
120/84 + 90/84 = 120 + 90/84 = 210/84 - 210/84 simplified gives 5/2
- So, 20/14 + 90/84 = 5/2
In mixed form: 21/2
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