Subtract 2/75 from 28/21
1st number: 1 7/21, 2nd number: 2/75
28/21 - 2/75 is 98/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
28/21 = 28 × 25/21 × 25 = 700/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
2/75 = 2 × 7/75 × 7 = 14/525 - Subtract the two like fractions:
700/525 - 14/525 = 700 - 14/525 = 686/525 - After reducing the fraction, the answer is 98/75
- In mixed form: 123/75
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