Subtract 30/9 from 45/10, Solve 4 5/10

Subtract 30/9 from 45/10

1^st number: 4 5/10, 2^nd number: 3 3/9

45/10 - 30/9 is 7/6.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 10 × 9 = 90,
45/10 = 45 × 9/10 × 9 = 405/90
Likewise, for the 2nd fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90
Subtract the two like fractions:
405/90 - 300/90 = 405 - 300/90 = 105/90
After reducing the fraction, the answer is 7/6
In mixed form: 11/6

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