Subtract 4/20 from 40/9, Solve 4 4/9

Subtract 4/20 from 40/9

1^st number: 4 4/9, 2^nd number: 4/20

40/9 - 4/20 is 191/45.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 9 × 20 = 180,
40/9 = 40 × 20/9 × 20 = 800/180
Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180
Subtract the two like fractions:
800/180 - 36/180 = 800 - 36/180 = 764/180
After reducing the fraction, the answer is 191/45
In mixed form: 411/45

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