Subtract 21/90 from 42/32
1st number: 1 10/32, 2nd number: 21/90
42/32 - 21/90 is 259/240.
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,
42/32 = 42 × 45/32 × 45 = 1890/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
21/90 = 21 × 16/90 × 16 = 336/1440 - Subtract the two like fractions:
1890/1440 - 336/1440 = 1890 - 336/1440 = 1554/1440 - After reducing the fraction, the answer is 259/240
- In mixed form: 119/240
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