Add 90/84 and 40/12
1st number: 1 6/84, 2nd number: 3 4/12
90/84 + 40/12 is 185/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84 - Add the two like fractions:
90/84 + 280/84 = 90 + 280/84 = 370/84 - 370/84 simplified gives 185/42
- So, 90/84 + 40/12 = 185/42
In mixed form: 417/42
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