Subtract 9/49 from 42/50, Solve 42/50

Subtract 9/49 from 42/50

42/50 - 9/49 is 804/1225.

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,
42/50 = 42 × 49/50 × 49 = 2058/2450
Likewise, for the 2nd fraction, since 49 × 50 = 2450,
9/49 = 9 × 50/49 × 50 = 450/2450
Subtract the two like fractions:
2058/2450 - 450/2450 = 2058 - 450/2450 = 1608/2450
After reducing the fraction, the answer is 804/1225

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