Subtract 10/40 from 28/3, Solve 9 1/3

Subtract 10/40 from 28/3

1^st number: 9 1/3, 2^nd number: 10/40

28/3 - 10/40 is 109/12.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 3 × 40 = 120,
28/3 = 28 × 40/3 × 40 = 1120/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120
Subtract the two like fractions:
1120/120 - 30/120 = 1120 - 30/120 = 1090/120
After reducing the fraction, the answer is 109/12
In mixed form: 91/12

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