Subtract 3/80 from 75/45
1st number: 1 30/45, 2nd number: 3/80
75/45 - 3/80 is 391/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
75/45 = 75 × 16/45 × 16 = 1200/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
3/80 = 3 × 9/80 × 9 = 27/720 - Subtract the two like fractions:
1200/720 - 27/720 = 1200 - 27/720 = 1173/720 - After reducing the fraction, the answer is 391/240
- In mixed form: 1151/240
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