Subtract 1/14 from 21/10, Solve 2 1/10

Subtract 1/14 from 21/10

1^st number: 2 1/10, 2^nd number: 1/14

21/10 - 1/14 is 71/35.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70
Likewise, for the 2nd fraction, since 14 × 5 = 70,
1/14 = 1 × 5/14 × 5 = 5/70
Subtract the two like fractions:
147/70 - 5/70 = 147 - 5/70 = 142/70
After reducing the fraction, the answer is 71/35
In mixed form: 21/35

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