Subtract 3/80 from 28/4
1st number: 7 0/4, 2nd number: 3/80
28/4 - 3/80 is 557/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
28/4 = 28 × 20/4 × 20 = 560/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
3/80 = 3 × 1/80 × 1 = 3/80 - Subtract the two like fractions:
560/80 - 3/80 = 560 - 3/80 = 557/80 - In mixed form: 677/80
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