Subtract 20/28 from 42/3, Solve 14 0/3

Subtract 20/28 from 42/3

1^st number: 14 0/3, 2^nd number: 20/28

42/3 - 20/28 is 93/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 3 × 28 = 84,
42/3 = 42 × 28/3 × 28 = 1176/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84
Subtract the two like fractions:
1176/84 - 60/84 = 1176 - 60/84 = 1116/84
After reducing the fraction, the answer is 93/7
In mixed form: 132/7

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