Subtract 45/7 from 90/50
1st number: 1 40/50, 2nd number: 6 3/7
90/50 - 45/7 is -162/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
45/7 = 45 × 50/7 × 50 = 2250/350 - Subtract the two like fractions:
630/350 - 2250/350 = 630 - 2250/350 = -1620/350 - After reducing the fraction, the answer is -162/35
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