Subtract 70/20 from 24/45
1st number: 24/45, 2nd number: 3 10/20
24/45 - 70/20 is -89/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
24/45 = 24 × 4/45 × 4 = 96/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Subtract the two like fractions:
96/180 - 630/180 = 96 - 630/180 = -534/180 - After reducing the fraction, the answer is -89/30
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