Subtract 63/21 from 30/50
1st number: 30/50, 2nd number: 3 0/21
30/50 - 63/21 is -12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
30/50 = 30 × 21/50 × 21 = 630/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
63/21 = 63 × 50/21 × 50 = 3150/1050 - Subtract the two like fractions:
630/1050 - 3150/1050 = 630 - 3150/1050 = -2520/1050 - After reducing the fraction, the answer is -12/5
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