Add 42/10 and 84/5
1st number: 4 2/10, 2nd number: 16 4/5
42/10 + 84/5 is 21/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
42/10 = 42 × 1/10 × 1 = 42/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
84/5 = 84 × 2/5 × 2 = 168/10 - Add the two like fractions:
42/10 + 168/10 = 42 + 168/10 = 210/10 - 210/10 simplified gives 21/1
- So, 42/10 + 84/5 = 21/1
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