Subtract 7/90 from 49/9, Solve 5 4/9

Subtract 7/90 from 49/9

1^st number: 5 4/9, 2^nd number: 7/90

49/9 - 7/90 is 161/30.

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

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 9 × 10 = 90,
49/9 = 49 × 10/9 × 10 = 490/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90
Subtract the two like fractions:
490/90 - 7/90 = 490 - 7/90 = 483/90
After reducing the fraction, the answer is 161/30
In mixed form: 511/30

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