Subtract 36/27 from 30/7, Solve 4 2/7

Subtract 36/27 from 30/7

1^st number: 4 2/7, 2^nd number: 1 9/27

30/7 - 36/27 is 62/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 7 × 27 = 189,
30/7 = 30 × 27/7 × 27 = 810/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
36/27 = 36 × 7/27 × 7 = 252/189
Subtract the two like fractions:
810/189 - 252/189 = 810 - 252/189 = 558/189
After reducing the fraction, the answer is 62/21
In mixed form: 220/21

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