Add 90/42 and 40/84
1st number: 2 6/42, 2nd number: 40/84
90/42 + 40/84 is 55/21.
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,
90/42 = 90 × 2/42 × 2 = 180/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Add the two like fractions:
180/84 + 40/84 = 180 + 40/84 = 220/84 - 220/84 simplified gives 55/21
- So, 90/42 + 40/84 = 55/21
In mixed form: 213/21
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