Add 12/40 and 18/5
1st number: 12/40, 2nd number: 3 3/5
12/40 + 18/5 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
18/5 = 18 × 8/5 × 8 = 144/40 - Add the two like fractions:
12/40 + 144/40 = 12 + 144/40 = 156/40 - 156/40 simplified gives 39/10
- So, 12/40 + 18/5 = 39/10
In mixed form: 39/10
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