Add 98/42 and 84/20
1st number: 2 14/42, 2nd number: 4 4/20
98/42 + 84/20 is 98/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
98/42 = 98 × 10/42 × 10 = 980/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
84/20 = 84 × 21/20 × 21 = 1764/420 - Add the two like fractions:
980/420 + 1764/420 = 980 + 1764/420 = 2744/420 - 2744/420 simplified gives 98/15
- So, 98/42 + 84/20 = 98/15
In mixed form: 68/15
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