Add 84/42 and 21/7
1st number: 2 0/42, 2nd number: 3 0/7
84/42 + 21/7 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
84/42 = 84 × 1/42 × 1 = 84/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
21/7 = 21 × 6/7 × 6 = 126/42 - Add the two like fractions:
84/42 + 126/42 = 84 + 126/42 = 210/42 - 210/42 simplified gives 5/1
- So, 84/42 + 21/7 = 5/1
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