Subtract 20/90 from 84/32
1st number: 2 20/32, 2nd number: 20/90
84/32 - 20/90 is 173/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
84/32 = 84 × 45/32 × 45 = 3780/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
20/90 = 20 × 16/90 × 16 = 320/1440 - Subtract the two like fractions:
3780/1440 - 320/1440 = 3780 - 320/1440 = 3460/1440 - After reducing the fraction, the answer is 173/72
- In mixed form: 229/72
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