Subtract 3/80 from 9/42
942 - 380 is 99560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
942 = 9 × 4042 × 40 = 3601680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
380 = 3 × 2180 × 21 = 631680 - Subtract the two like fractions:
3601680 - 631680 = 360 - 631680 = 2971680 - After reducing the fraction, the answer is 99560
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