Subtract 4/40 from 64/9
1st number: 7 1/9, 2nd number: 4/40
64/9 - 4/40 is 631/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
64/9 = 64 × 40/9 × 40 = 2560/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Subtract the two like fractions:
2560/360 - 36/360 = 2560 - 36/360 = 2524/360 - After reducing the fraction, the answer is 631/90
- In mixed form: 71/90
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