Subtract 6/84 from 75/45, Solve 1 30/45

Subtract 6/84 from 75/45

1^st number: 1 30/45, 2^nd number: 6/84

75/45 - 6/84 is 67/42.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
75/45 = 75 × 28/45 × 28 = 2100/1260
Likewise, for the 2nd fraction, since 84 × 15 = 1260,
6/84 = 6 × 15/84 × 15 = 90/1260
Subtract the two like fractions:
2100/1260 - 90/1260 = 2100 - 90/1260 = 2010/1260
After reducing the fraction, the answer is 67/42
In mixed form: 125/42

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