Subtract 49/45 from 18/60
1st number: 18/60, 2nd number: 1 4/45
18/60 - 49/45 is -71/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
49/45 = 49 × 4/45 × 4 = 196/180 - Subtract the two like fractions:
54/180 - 196/180 = 54 - 196/180 = -142/180 - After reducing the fraction, the answer is -71/90
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