Add 18/40 and 63/20
1st number: 18/40, 2nd number: 3 3/20
18/40 + 63/20 is 18/5.
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,
63/20 = 63 × 2/20 × 2 = 126/40 - Add the two like fractions:
18/40 + 126/40 = 18 + 126/40 = 144/40 - 144/40 simplified gives 18/5
- So, 18/40 + 63/20 = 18/5
In mixed form: 33/5
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