Subtract 40/16 from 42/2
1st number: 21 0/2, 2nd number: 2 8/16
42/2 - 40/16 is 37/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
42/2 = 42 × 8/2 × 8 = 336/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
40/16 = 40 × 1/16 × 1 = 40/16 - Subtract the two like fractions:
336/16 - 40/16 = 336 - 40/16 = 296/16 - After reducing the fraction, the answer is 37/2
- In mixed form: 181/2
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