Subtract 21/32 from 30/10, Solve 3 0/10

Subtract 21/32 from 30/10

1^st number: 3 0/10, 2^nd number: 21/32

30/10 - 21/32 is 75/32.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 10 × 16 = 160,
30/10 = 30 × 16/10 × 16 = 480/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160
Subtract the two like fractions:
480/160 - 105/160 = 480 - 105/160 = 375/160
After reducing the fraction, the answer is 75/32
In mixed form: 211/32

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