Subtract 70/27 from 28/10, Solve 2 8/10

Subtract 70/27 from 28/10

1^st number: 2 8/10, 2^nd number: 2 16/27

28/10 - 70/27 is 28/135.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
28/10 = 28 × 27/10 × 27 = 756/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
70/27 = 70 × 10/27 × 10 = 700/270
Subtract the two like fractions:
756/270 - 700/270 = 756 - 700/270 = 56/270
After reducing the fraction, the answer is 28/135

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