Add 98/12 and 20/42
1st number: 8 2/12, 2nd number: 20/42
98/12 + 20/42 is 121/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
20/42 = 20 × 2/42 × 2 = 40/84 - Add the two like fractions:
686/84 + 40/84 = 686 + 40/84 = 726/84 - 726/84 simplified gives 121/14
- So, 98/12 + 20/42 = 121/14
In mixed form: 89/14
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