Subtract 20/4 from 98/45
1st number: 2 8/45, 2nd number: 5 0/4
98/45 - 20/4 is -127/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
98/45 = 98 × 4/45 × 4 = 392/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
20/4 = 20 × 45/4 × 45 = 900/180 - Subtract the two like fractions:
392/180 - 900/180 = 392 - 900/180 = -508/180 - After reducing the fraction, the answer is -127/45
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