Subtract 70/30 from 2/42
1st number: 2/42, 2nd number: 2 10/30
2/42 - 70/30 is -16/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Subtract the two like fractions:
10/210 - 490/210 = 10 - 490/210 = -480/210 - After reducing the fraction, the answer is -16/7
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