Subtract 90/50 from 3/70
1st number: 3/70, 2nd number: 1 40/50
3/70 - 90/50 is -123/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
3/70 = 3 × 5/70 × 5 = 15/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350 - Subtract the two like fractions:
15/350 - 630/350 = 15 - 630/350 = -615/350 - After reducing the fraction, the answer is -123/70
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