Subtract 2/90 from 40/7, Solve 5 5/7

Subtract 2/90 from 40/7

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

40/7 - 2/90 is 1793/315.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 7 × 90 = 630,
40/7 = 40 × 90/7 × 90 = 3600/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630
Subtract the two like fractions:
3600/630 - 14/630 = 3600 - 14/630 = 3586/630
After reducing the fraction, the answer is 1793/315
In mixed form: 5218/315

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