Subtract 1/21 from 50/32, Solve 1 18/32

Subtract 1/21 from 50/32

1^st number: 1 18/32, 2^nd number: 1/21

50/32 - 1/21 is 509/336.

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

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
50/32 = 50 × 21/32 × 21 = 1050/672
Likewise, for the 2nd fraction, since 21 × 32 = 672,
1/21 = 1 × 32/21 × 32 = 32/672
Subtract the two like fractions:
1050/672 - 32/672 = 1050 - 32/672 = 1018/672
After reducing the fraction, the answer is 509/336
In mixed form: 1173/336

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