Add 12/84 and 72/35
1st number: 12/84, 2nd number: 2 2/35
12/84 + 72/35 is 11/5.
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,
12/84 = 12 × 5/84 × 5 = 60/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420 - Add the two like fractions:
60/420 + 864/420 = 60 + 864/420 = 924/420 - 924/420 simplified gives 11/5
- So, 12/84 + 72/35 = 11/5
In mixed form: 21/5
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