Add 90/20 and 98/84
1st number: 4 10/20, 2nd number: 1 14/84
90/20 + 98/84 is 17/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
90/20 = 90 × 21/20 × 21 = 1890/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
98/84 = 98 × 5/84 × 5 = 490/420 - Add the two like fractions:
1890/420 + 490/420 = 1890 + 490/420 = 2380/420 - 2380/420 simplified gives 17/3
- So, 90/20 + 98/84 = 17/3
In mixed form: 52/3
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