Subtract 16/10 from 50/21, Solve 2 8/21

Subtract 16/10 from 50/21

1^st number: 2 8/21, 2^nd number: 1 6/10

50/21 - 16/10 is 82/105.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
50/21 = 50 × 10/21 × 10 = 500/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
16/10 = 16 × 21/10 × 21 = 336/210
Subtract the two like fractions:
500/210 - 336/210 = 500 - 336/210 = 164/210
After reducing the fraction, the answer is 82/105

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