Subtract 70/81 from 98/45
1st number: 2 8/45, 2nd number: 70/81
98/45 - 70/81 is 532/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
98/45 = 98 × 9/45 × 9 = 882/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
70/81 = 70 × 5/81 × 5 = 350/405 - Subtract the two like fractions:
882/405 - 350/405 = 882 - 350/405 = 532/405 - In mixed form: 1127/405
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