Add 27/5 and 42/20
1st number: 5 2/5, 2nd number: 2 2/20
27/5 + 42/20 is 15/2.
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,
27/5 = 27 × 4/5 × 4 = 108/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Add the two like fractions:
108/20 + 42/20 = 108 + 42/20 = 150/20 - 150/20 simplified gives 15/2
- So, 27/5 + 42/20 = 15/2
In mixed form: 71/2
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