Subtract 35/42 from 28/10, Solve 2 8/10

Subtract 35/42 from 28/10

1^st number: 2 8/10, 2^nd number: 35/42

28/10 - 35/42 is 59/30.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
28/10 = 28 × 21/10 × 21 = 588/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
35/42 = 35 × 5/42 × 5 = 175/210
Subtract the two like fractions:
588/210 - 175/210 = 588 - 175/210 = 413/210
After reducing the fraction, the answer is 59/30
In mixed form: 129/30

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