Subtract 7/54 from 49/10, Solve 4 9/10

Subtract 7/54 from 49/10

1^st number: 4 9/10, 2^nd number: 7/54

49/10 - 7/54 is 644/135.

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

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
49/10 = 49 × 27/10 × 27 = 1323/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270
Subtract the two like fractions:
1323/270 - 35/270 = 1323 - 35/270 = 1288/270
After reducing the fraction, the answer is 644/135
In mixed form: 4104/135

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