Subtract 20/42 from 45/16
1st number: 2 13/16, 2nd number: 20/42
45/16 - 20/42 is 785/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
45/16 = 45 × 21/16 × 21 = 945/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
20/42 = 20 × 8/42 × 8 = 160/336 - Subtract the two like fractions:
945/336 - 160/336 = 945 - 160/336 = 785/336 - In mixed form: 2113/336
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