Add 42/5 and 3/20
1st number: 8 2/5, 2nd number: 3/20
42/5 + 3/20 is 171/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
42/5 = 42 × 4/5 × 4 = 168/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
3/20 = 3 × 1/20 × 1 = 3/20 - Add the two like fractions:
168/20 + 3/20 = 168 + 3/20 = 171/20 - So, 42/5 + 3/20 = 171/20
In mixed form: 811/20
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