Subtract 3/36 from 28/70, Solve 28/70

Subtract 3/36 from 28/70

28/70 - 3/36 is 19/60.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 70 × 18 = 1260,
28/70 = 28 × 18/70 × 18 = 504/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
3/36 = 3 × 35/36 × 35 = 105/1260
Subtract the two like fractions:
504/1260 - 105/1260 = 504 - 105/1260 = 399/1260
After reducing the fraction, the answer is 19/60

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