Add 7/2 and 42/20
1st number: 3 1/2, 2nd number: 2 2/20
7/2 + 42/20 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
7/2 = 7 × 10/2 × 10 = 70/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Add the two like fractions:
70/20 + 42/20 = 70 + 42/20 = 112/20 - 112/20 simplified gives 28/5
- So, 7/2 + 42/20 = 28/5
In mixed form: 53/5
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