Add 18/40 and 75/20
1st number: 18/40, 2nd number: 3 15/20
18/40 + 75/20 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
75/20 = 75 × 2/20 × 2 = 150/40 - Add the two like fractions:
18/40 + 150/40 = 18 + 150/40 = 168/40 - 168/40 simplified gives 21/5
- So, 18/40 + 75/20 = 21/5
In mixed form: 41/5
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