Add 10/84 and 50/21
1st number: 10/84, 2nd number: 2 8/21
10/84 + 50/21 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
50/21 = 50 × 4/21 × 4 = 200/84 - Add the two like fractions:
10/84 + 200/84 = 10 + 200/84 = 210/84 - 210/84 simplified gives 5/2
- So, 10/84 + 50/21 = 5/2
In mixed form: 21/2
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