Add 12/40 and 16/5
1st number: 12/40, 2nd number: 3 1/5
12/40 + 16/5 is 7/2.
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,
16/5 = 16 × 8/5 × 8 = 128/40 - Add the two like fractions:
12/40 + 128/40 = 12 + 128/40 = 140/40 - 140/40 simplified gives 7/2
- So, 12/40 + 16/5 = 7/2
In mixed form: 31/2
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