Subtract 4/30 from 15/9, Solve 1 6/9

Subtract 4/30 from 15/9

1^st number: 1 6/9, 2^nd number: 4/30

15/9 - 4/30 is 23/15.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90
Likewise, for the 2nd fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90
Subtract the two like fractions:
150/90 - 12/90 = 150 - 12/90 = 138/90
After reducing the fraction, the answer is 23/15
In mixed form: 18/15

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