Subtract 9/49 from 90/50, Solve 1 40/50

Subtract 9/49 from 90/50

1^st number: 1 40/50, 2^nd number: 9/49

90/50 - 9/49 is 396/245.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 49 is 2450

Next, find the equivalent fraction of both fractional numbers with denominator 2450
For the 1st fraction, since 50 × 49 = 2450,
90/50 = 90 × 49/50 × 49 = 4410/2450
Likewise, for the 2nd fraction, since 49 × 50 = 2450,
9/49 = 9 × 50/49 × 50 = 450/2450
Subtract the two like fractions:
4410/2450 - 450/2450 = 4410 - 450/2450 = 3960/2450
After reducing the fraction, the answer is 396/245
In mixed form: 1151/245

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