Add 18/4 and 40/5
1st number: 4 2/4, 2nd number: 8 0/5
18/4 + 40/5 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
18/4 = 18 × 5/4 × 5 = 90/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
40/5 = 40 × 4/5 × 4 = 160/20 - Add the two like fractions:
90/20 + 160/20 = 90 + 160/20 = 250/20 - 250/20 simplified gives 25/2
- So, 18/4 + 40/5 = 25/2
In mixed form: 121/2
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