Add 20/30 and 42/10
1st number: 20/30, 2nd number: 4 2/10
20/30 + 42/10 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
42/10 = 42 × 3/10 × 3 = 126/30 - Add the two like fractions:
20/30 + 126/30 = 20 + 126/30 = 146/30 - 146/30 simplified gives 73/15
- So, 20/30 + 42/10 = 73/15
In mixed form: 413/15
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