Subtract 75/50 from 90/28
1st number: 3 6/28, 2nd number: 1 25/50
90/28 - 75/50 is 12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
90/28 = 90 × 25/28 × 25 = 2250/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
75/50 = 75 × 14/50 × 14 = 1050/700 - Subtract the two like fractions:
2250/700 - 1050/700 = 2250 - 1050/700 = 1200/700 - After reducing the fraction, the answer is 12/7
- In mixed form: 15/7
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