Subtract 9/80 from 81/49
1st number: 1 32/49, 2nd number: 9/80
81/49 - 9/80 is 6039/3920.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
81/49 = 81 × 80/49 × 80 = 6480/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
9/80 = 9 × 49/80 × 49 = 441/3920 - Subtract the two like fractions:
6480/3920 - 441/3920 = 6480 - 441/3920 = 6039/3920 - In mixed form: 12119/3920
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