Subtract 5/32 from 30/21, Solve 1 9/21

Subtract 5/32 from 30/21

1^st number: 1 9/21, 2^nd number: 5/32

30/21 - 5/32 is 285/224.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
30/21 = 30 × 32/21 × 32 = 960/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
5/32 = 5 × 21/32 × 21 = 105/672
Subtract the two like fractions:
960/672 - 105/672 = 960 - 105/672 = 855/672
After reducing the fraction, the answer is 285/224
In mixed form: 161/224

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