Add 18/5 and 28/40
1st number: 3 3/5, 2nd number: 28/40
18/5 + 28/40 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
18/5 = 18 × 8/5 × 8 = 144/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Add the two like fractions:
144/40 + 28/40 = 144 + 28/40 = 172/40 - 172/40 simplified gives 43/10
- So, 18/5 + 28/40 = 43/10
In mixed form: 43/10
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