Subtract 54/10 from 63/70
1st number: 63/70, 2nd number: 5 4/10
63/70 - 54/10 is -9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
63/70 = 63 × 1/70 × 1 = 63/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
54/10 = 54 × 7/10 × 7 = 378/70 - Subtract the two like fractions:
63/70 - 378/70 = 63 - 378/70 = -315/70 - After reducing the fraction, the answer is -9/2
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