Add 42/20 and 7/4
1st number: 2 2/20, 2nd number: 1 3/4
42/20 + 7/4 is 77/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 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 4 × 5 = 20,
7/4 = 7 × 5/4 × 5 = 35/20 - Add the two like fractions:
42/20 + 35/20 = 42 + 35/20 = 77/20 - So, 42/20 + 7/4 = 77/20
In mixed form: 317/20
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