Subtract 63/16 from 80/30
1st number: 2 20/30, 2nd number: 3 15/16
80/30 - 63/16 is -61/48.
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,
80/30 = 80 × 8/30 × 8 = 640/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
63/16 = 63 × 15/16 × 15 = 945/240 - Subtract the two like fractions:
640/240 - 945/240 = 640 - 945/240 = -305/240 - After reducing the fraction, the answer is -61/48
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