Add 90/84 and 12/35
1st number: 1 6/84, 2nd number: 12/35
90/84 + 12/35 is 99/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
12/35 = 12 × 12/35 × 12 = 144/420 - Add the two like fractions:
450/420 + 144/420 = 450 + 144/420 = 594/420 - 594/420 simplified gives 99/70
- So, 90/84 + 12/35 = 99/70
In mixed form: 129/70
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