Subtract 30/50 from 42/49
42/49 - 30/50 is 9/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 49 × 50 = 2450,
42/49 = 42 × 50/49 × 50 = 2100/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
30/50 = 30 × 49/50 × 49 = 1470/2450 - Subtract the two like fractions:
2100/2450 - 1470/2450 = 2100 - 1470/2450 = 630/2450 - After reducing the fraction, the answer is 9/35
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