Subtract 70/9 from 9/40
1st number: 9/40, 2nd number: 7 7/9
9/40 - 70/9 is -2719/360.
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,
9/40 = 9 × 9/40 × 9 = 81/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
70/9 = 70 × 40/9 × 40 = 2800/360 - Subtract the two like fractions:
81/360 - 2800/360 = 81 - 2800/360 = -2719/360
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