Add 60/40 and 84/12
1st number: 1 20/40, 2nd number: 7 0/12
60/40 + 84/12 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
60/40 = 60 × 3/40 × 3 = 180/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
84/12 = 84 × 10/12 × 10 = 840/120 - Add the two like fractions:
180/120 + 840/120 = 180 + 840/120 = 1020/120 - 1020/120 simplified gives 17/2
- So, 60/40 + 84/12 = 17/2
In mixed form: 81/2
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