Subtract 4/16 from 90/15, Solve 6 0/15

Subtract 4/16 from 90/15

1^st number: 6 0/15, 2^nd number: 4/16

90/15 - 4/16 is 23/4.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
90/15 = 90 × 16/15 × 16 = 1440/240
Likewise, for the 2nd fraction, since 16 × 15 = 240,
4/16 = 4 × 15/16 × 15 = 60/240
Subtract the two like fractions:
1440/240 - 60/240 = 1440 - 60/240 = 1380/240
After reducing the fraction, the answer is 23/4
In mixed form: 53/4

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