Subtract 70/50 from 4/90
1st number: 4/90, 2nd number: 1 20/50
4/90 - 70/50 is -61/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
4/90 = 4 × 5/90 × 5 = 20/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Subtract the two like fractions:
20/450 - 630/450 = 20 - 630/450 = -610/450 - After reducing the fraction, the answer is -61/45
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