Add 98/12 and 1/42
1st number: 8 2/12, 2nd number: 1/42
98/12 + 1/42 is 172/21.
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,
1/42 = 1 × 2/42 × 2 = 2/84 - Add the two like fractions:
686/84 + 2/84 = 686 + 2/84 = 688/84 - 688/84 simplified gives 172/21
- So, 98/12 + 1/42 = 172/21
In mixed form: 84/21
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