Subtract 8/80 from 40/12, Solve 3 4/12

Subtract 8/80 from 40/12

1^st number: 3 4/12, 2^nd number: 8/80

40/12 - 8/80 is 97/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 12 × 20 = 240,
40/12 = 40 × 20/12 × 20 = 800/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
8/80 = 8 × 3/80 × 3 = 24/240
Subtract the two like fractions:
800/240 - 24/240 = 800 - 24/240 = 776/240
After reducing the fraction, the answer is 97/30
In mixed form: 37/30

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