Subtract 64/9 from 63/40
1st number: 1 23/40, 2nd number: 7 1/9
63/40 - 64/9 is -1993/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
63/40 = 63 × 9/40 × 9 = 567/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
64/9 = 64 × 40/9 × 40 = 2560/360 - Subtract the two like fractions:
567/360 - 2560/360 = 567 - 2560/360 = -1993/360
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