Subtract 20/21 from 9/2
1st number: 4 1/2, 2nd number: 20/21
92 - 2021 is 14942.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
92 = 9 × 212 × 21 = 18942 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
2021 = 20 × 221 × 2 = 4042 - Subtract the two like fractions:
18942 - 4042 = 189 - 4042 = 14942 - In mixed form: 32342
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