Subtract 4/5 from 7/4
1st number: 1 3/4, 2nd number: 4/5
74 - 45 is 1920.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
74 = 7 × 54 × 5 = 3520 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
45 = 4 × 45 × 4 = 1620 - Subtract the two like fractions:
3520 - 1620 = 35 - 1620 = 1920
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