Subtract 8/30 from 35/21, Solve 1 14/21

Subtract 8/30 from 35/21

1^st number: 1 14/21, 2^nd number: 8/30

35/21 - 8/30 is 7/5.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
35/21 = 35 × 10/21 × 10 = 350/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210
Subtract the two like fractions:
350/210 - 56/210 = 350 - 56/210 = 294/210
After reducing the fraction, the answer is 7/5
In mixed form: 12/5

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