Subtract 63/35 from 54/72
1st number: 54/72, 2nd number: 1 28/35
54/72 - 63/35 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
54/72 = 54 × 35/72 × 35 = 1890/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
63/35 = 63 × 72/35 × 72 = 4536/2520 - Subtract the two like fractions:
1890/2520 - 4536/2520 = 1890 - 4536/2520 = -2646/2520 - After reducing the fraction, the answer is -21/20
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