Subtract 40/70 from 75/4
1st number: 18 3/4, 2nd number: 40/70
75/4 - 40/70 is 509/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
75/4 = 75 × 35/4 × 35 = 2625/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
40/70 = 40 × 2/70 × 2 = 80/140 - Subtract the two like fractions:
2625/140 - 80/140 = 2625 - 80/140 = 2545/140 - After reducing the fraction, the answer is 509/28
- In mixed form: 185/28
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