Add 42/2 and 20/10
1st number: 21 0/2, 2nd number: 2 0/10
42/2 + 20/10 is 23/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
42/2 = 42 × 5/2 × 5 = 210/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
20/10 = 20 × 1/10 × 1 = 20/10 - Add the two like fractions:
210/10 + 20/10 = 210 + 20/10 = 230/10 - 230/10 simplified gives 23/1
- So, 42/2 + 20/10 = 23/1
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