Add 1/42 and 90/84
1st number: 1/42, 2nd number: 1 6/84
1/42 + 90/84 is 23/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
1/42 = 1 × 2/42 × 2 = 2/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
2/84 + 90/84 = 2 + 90/84 = 92/84 - 92/84 simplified gives 23/21
- So, 1/42 + 90/84 = 23/21
In mixed form: 12/21
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