Subtract 5/21 from 90/16
1st number: 5 10/16, 2nd number: 5/21
90/16 - 5/21 is 905/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
90/16 = 90 × 21/16 × 21 = 1890/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
5/21 = 5 × 16/21 × 16 = 80/336 - Subtract the two like fractions:
1890/336 - 80/336 = 1890 - 80/336 = 1810/336 - After reducing the fraction, the answer is 905/168
- In mixed form: 565/168
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