Add 21/75 and 84/28
1st number: 21/75, 2nd number: 3 0/28
21/75 + 84/28 is 82/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 28 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
21/75 = 21 × 28/75 × 28 = 588/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
84/28 = 84 × 75/28 × 75 = 6300/2100 - Add the two like fractions:
588/2100 + 6300/2100 = 588 + 6300/2100 = 6888/2100 - 6888/2100 simplified gives 82/25
- So, 21/75 + 84/28 = 82/25
In mixed form: 37/25
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