Subtract 5/7 from 90/50, Solve 1 40/50

Subtract 5/7 from 90/50

1^st number: 1 40/50, 2^nd number: 5/7

90/50 - 5/7 is 38/35.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350
Likewise, for the 2nd fraction, since 7 × 50 = 350,
5/7 = 5 × 50/7 × 50 = 250/350
Subtract the two like fractions:
630/350 - 250/350 = 630 - 250/350 = 380/350
After reducing the fraction, the answer is 38/35
In mixed form: 13/35

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