Subtract 80/24 from 1/30, Solve 1/30

Subtract 80/24 from 1/30

1^st number: 1/30, 2^nd number: 3 8/24

1/30 - 80/24 is -33/10.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 30 × 4 = 120,
1/30 = 1 × 4/30 × 4 = 4/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
80/24 = 80 × 5/24 × 5 = 400/120
Subtract the two like fractions:
4/120 - 400/120 = 4 - 400/120 = -396/120
After reducing the fraction, the answer is -33/10

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