Subtract 42/30 from 45/16
1st number: 2 13/16, 2nd number: 1 12/30
45/16 - 42/30 is 113/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
45/16 = 45 × 15/16 × 15 = 675/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Subtract the two like fractions:
675/240 - 336/240 = 675 - 336/240 = 339/240 - After reducing the fraction, the answer is 113/80
- In mixed form: 133/80
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