Subtract 84/40 from 3/45
1st number: 3/45, 2nd number: 2 4/40
3/45 - 84/40 is -61/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
3/45 = 3 × 8/45 × 8 = 24/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
84/40 = 84 × 9/40 × 9 = 756/360 - Subtract the two like fractions:
24/360 - 756/360 = 24 - 756/360 = -732/360 - After reducing the fraction, the answer is -61/30
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