Subtract 42/7 from 70/50
1st number: 1 20/50, 2nd number: 6 0/7
70/50 - 42/7 is -23/5.
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,
70/50 = 70 × 7/50 × 7 = 490/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
42/7 = 42 × 50/7 × 50 = 2100/350 - Subtract the two like fractions:
490/350 - 2100/350 = 490 - 2100/350 = -1610/350 - After reducing the fraction, the answer is -23/5
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