Subtract 28/30 from 9/16
9/16 - 28/30 is -89/240.
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,
9/16 = 9 × 15/16 × 15 = 135/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
28/30 = 28 × 8/30 × 8 = 224/240 - Subtract the two like fractions:
135/240 - 224/240 = 135 - 224/240 = -89/240
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