Add 84/12 and 14/20
1st number: 7 0/12, 2nd number: 14/20
84/12 + 14/20 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
84/12 = 84 × 5/12 × 5 = 420/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
14/20 = 14 × 3/20 × 3 = 42/60 - Add the two like fractions:
420/60 + 42/60 = 420 + 42/60 = 462/60 - 462/60 simplified gives 77/10
- So, 84/12 + 14/20 = 77/10
In mixed form: 77/10
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