Add 90/84 and 30/42
1st number: 1 6/84, 2nd number: 30/42
90/84 + 30/42 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 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 42 × 2 = 84,
30/42 = 30 × 2/42 × 2 = 60/84 - Add the two like fractions:
90/84 + 60/84 = 90 + 60/84 = 150/84 - 150/84 simplified gives 25/14
- So, 90/84 + 30/42 = 25/14
In mixed form: 111/14
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