Subtract 27/70 from 60/18, Solve 3 6/18

Subtract 27/70 from 60/18

1^st number: 3 6/18, 2^nd number: 27/70

60/18 - 27/70 is 619/210.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
60/18 = 60 × 35/18 × 35 = 2100/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
27/70 = 27 × 9/70 × 9 = 243/630
Subtract the two like fractions:
2100/630 - 243/630 = 2100 - 243/630 = 1857/630
After reducing the fraction, the answer is 619/210
In mixed form: 2199/210

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