Add 27/2 and 42/20
1st number: 13 1/2, 2nd number: 2 2/20
27/2 + 42/20 is 78/5.
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,
27/2 = 27 × 10/2 × 10 = 270/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Add the two like fractions:
270/20 + 42/20 = 270 + 42/20 = 312/20 - 312/20 simplified gives 78/5
- So, 27/2 + 42/20 = 78/5
In mixed form: 153/5
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