Subtract 40/35 from 90/27
1st number: 3 9/27, 2nd number: 1 5/35
90/27 - 40/35 is 46/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
90/27 = 90 × 35/27 × 35 = 3150/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
40/35 = 40 × 27/35 × 27 = 1080/945 - Subtract the two like fractions:
3150/945 - 1080/945 = 3150 - 1080/945 = 2070/945 - After reducing the fraction, the answer is 46/21
- In mixed form: 24/21
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