Subtract 4/72 from 80/18
1st number: 4 8/18, 2nd number: 4/72
80/18 - 4/72 is 79/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
80/18 = 80 × 4/18 × 4 = 320/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Subtract the two like fractions:
320/72 - 4/72 = 320 - 4/72 = 316/72 - After reducing the fraction, the answer is 79/18
- In mixed form: 47/18
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