Subtract 9/30 from 40/16, Solve 2 8/16

Subtract 9/30 from 40/16

1^st number: 2 8/16, 2^nd number: 9/30

40/16 - 9/30 is 11/5.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 16 × 15 = 240,
40/16 = 40 × 15/16 × 15 = 600/240
Likewise, for the 2nd fraction, since 30 × 8 = 240,
9/30 = 9 × 8/30 × 8 = 72/240
Subtract the two like fractions:
600/240 - 72/240 = 600 - 72/240 = 528/240
After reducing the fraction, the answer is 11/5
In mixed form: 21/5

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