Subtract 3/70 from 30/27, Solve 1 3/27

Subtract 3/70 from 30/27

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

30/27 - 3/70 is 673/630.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 27 × 70 = 1890,
30/27 = 30 × 70/27 × 70 = 2100/1890
Likewise, for the 2nd fraction, since 70 × 27 = 1890,
3/70 = 3 × 27/70 × 27 = 81/1890
Subtract the two like fractions:
2100/1890 - 81/1890 = 2100 - 81/1890 = 2019/1890
After reducing the fraction, the answer is 673/630
In mixed form: 143/630

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