Subtract 4/48 from 90/5, Solve 18 0/5

Subtract 4/48 from 90/5

1^st number: 18 0/5, 2^nd number: 4/48

90/5 - 4/48 is 215/12.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 48 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 5 × 48 = 240,
90/5 = 90 × 48/5 × 48 = 4320/240
Likewise, for the 2nd fraction, since 48 × 5 = 240,
4/48 = 4 × 5/48 × 5 = 20/240
Subtract the two like fractions:
4320/240 - 20/240 = 4320 - 20/240 = 4300/240
After reducing the fraction, the answer is 215/12
In mixed form: 1711/12

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