Subtract 30/16 from 45/30
1st number: 1 15/30, 2nd number: 1 14/16
45/30 - 30/16 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
45/30 = 45 × 8/30 × 8 = 360/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
30/16 = 30 × 15/16 × 15 = 450/240 - Subtract the two like fractions:
360/240 - 450/240 = 360 - 450/240 = -90/240 - After reducing the fraction, the answer is -3/8
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