Subtract 2/72 from 90/5
1st number: 18 0/5, 2nd number: 2/72
90/5 - 2/72 is 647/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
90/5 = 90 × 72/5 × 72 = 6480/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Subtract the two like fractions:
6480/360 - 10/360 = 6480 - 10/360 = 6470/360 - After reducing the fraction, the answer is 647/36
- In mixed form: 1735/36
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