Add 42/40 and 27/30
1st number: 1 2/40, 2nd number: 27/30
42/40 + 27/30 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
27/30 = 27 × 4/30 × 4 = 108/120 - Add the two like fractions:
126/120 + 108/120 = 126 + 108/120 = 234/120 - 234/120 simplified gives 39/20
- So, 42/40 + 27/30 = 39/20
In mixed form: 119/20
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