Subtract 3/10 from 75/54, Solve 1 21/54

Subtract 3/10 from 75/54

1^st number: 1 21/54, 2^nd number: 3/10

75/54 - 3/10 is 49/45.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 54 × 5 = 270,
75/54 = 75 × 5/54 × 5 = 375/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
3/10 = 3 × 27/10 × 27 = 81/270
Subtract the two like fractions:
375/270 - 81/270 = 375 - 81/270 = 294/270
After reducing the fraction, the answer is 49/45
In mixed form: 14/45

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