Subtract 20/70 from 45/3
1st number: 15 0/3, 2nd number: 20/70
45/3 - 20/70 is 103/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
45/3 = 45 × 70/3 × 70 = 3150/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210 - Subtract the two like fractions:
3150/210 - 60/210 = 3150 - 60/210 = 3090/210 - After reducing the fraction, the answer is 103/7
- In mixed form: 145/7
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