Subtract 7/28 from 90/3, Solve 30 0/3

Subtract 7/28 from 90/3

1^st number: 30 0/3, 2^nd number: 7/28

90/3 - 7/28 is 119/4.

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,
90/3 = 90 × 28/3 × 28 = 2520/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
7/28 = 7 × 3/28 × 3 = 21/84
Subtract the two like fractions:
2520/84 - 21/84 = 2520 - 21/84 = 2499/84
After reducing the fraction, the answer is 119/4
In mixed form: 293/4

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