Add 18/40 and 40/20
1st number: 18/40, 2nd number: 2 0/20
18/40 + 40/20 is 49/20.
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,
40/20 = 40 × 2/20 × 2 = 80/40 - Add the two like fractions:
18/40 + 80/40 = 18 + 80/40 = 98/40 - 98/40 simplified gives 49/20
- So, 18/40 + 40/20 = 49/20
In mixed form: 29/20
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