Add 21/75 and 70/28
1st number: 21/75, 2nd number: 2 14/28
21/75 + 70/28 is 139/50.
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,
70/28 = 70 × 75/28 × 75 = 5250/2100 - Add the two like fractions:
588/2100 + 5250/2100 = 588 + 5250/2100 = 5838/2100 - 5838/2100 simplified gives 139/50
- So, 21/75 + 70/28 = 139/50
In mixed form: 239/50
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