Add 42/20 and 18/5
1st number: 2 2/20, 2nd number: 3 3/5
42/20 + 18/5 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
18/5 = 18 × 4/5 × 4 = 72/20 - Add the two like fractions:
42/20 + 72/20 = 42 + 72/20 = 114/20 - 114/20 simplified gives 57/10
- So, 42/20 + 18/5 = 57/10
In mixed form: 57/10
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