Subtract 10/21 from 54/35, Solve 1 19/35

Subtract 10/21 from 54/35

1^st number: 1 19/35, 2^nd number: 10/21

54/35 - 10/21 is 16/15.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 35 × 3 = 105,
54/35 = 54 × 3/35 × 3 = 162/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
10/21 = 10 × 5/21 × 5 = 50/105
Subtract the two like fractions:
162/105 - 50/105 = 162 - 50/105 = 112/105
After reducing the fraction, the answer is 16/15
In mixed form: 11/15

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