Subtract 72/50 from 30/42
1st number: 30/42, 2nd number: 1 22/50
30/42 - 72/50 is -127/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
30/42 = 30 × 25/42 × 25 = 750/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
72/50 = 72 × 21/50 × 21 = 1512/1050 - Subtract the two like fractions:
750/1050 - 1512/1050 = 750 - 1512/1050 = -762/1050 - After reducing the fraction, the answer is -127/175
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