Subtract 90/18 from 72/50
1st number: 1 22/50, 2nd number: 5 0/18
72/50 - 90/18 is -89/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
72/50 = 72 × 9/50 × 9 = 648/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Subtract the two like fractions:
648/450 - 2250/450 = 648 - 2250/450 = -1602/450 - After reducing the fraction, the answer is -89/25
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