Subtract 21/16 from 30/10
1st number: 3 0/10, 2nd number: 1 5/16
30/10 - 21/16 is 27/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
30/10 = 30 × 8/10 × 8 = 240/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Subtract the two like fractions:
240/80 - 105/80 = 240 - 105/80 = 135/80 - After reducing the fraction, the answer is 27/16
- In mixed form: 111/16
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