Add 42/20 and 30/5
1st number: 2 2/20, 2nd number: 6 0/5
42/20 + 30/5 is 81/10.
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,
30/5 = 30 × 4/5 × 4 = 120/20 - Add the two like fractions:
42/20 + 120/20 = 42 + 120/20 = 162/20 - 162/20 simplified gives 81/10
- So, 42/20 + 30/5 = 81/10
In mixed form: 81/10
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