Subtract 3/45 from 75/70
1st number: 1 5/70, 2nd number: 3/45
75/70 - 3/45 is 211/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Subtract the two like fractions:
675/630 - 42/630 = 675 - 42/630 = 633/630 - After reducing the fraction, the answer is 211/210
- In mixed form: 11/210
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