Subtract 2/21 from 35/30, Solve 1 5/30

Subtract 2/21 from 35/30

1^st number: 1 5/30, 2^nd number: 2/21

35/30 - 2/21 is 15/14.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
2/21 = 2 × 10/21 × 10 = 20/210
Subtract the two like fractions:
245/210 - 20/210 = 245 - 20/210 = 225/210
After reducing the fraction, the answer is 15/14
In mixed form: 11/14

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