Subtract 40/5 from 70/9
1st number: 7 7/9, 2nd number: 8 0/5
70/9 - 40/5 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
40/5 = 40 × 9/5 × 9 = 360/45 - Subtract the two like fractions:
350/45 - 360/45 = 350 - 360/45 = -10/45 - After reducing the fraction, the answer is -2/9
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