Subtract 5/70 from 63/36, Solve 1 27/36

Subtract 5/70 from 63/36

1^st number: 1 27/36, 2^nd number: 5/70

63/36 - 5/70 is 47/28.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
63/36 = 63 × 35/36 × 35 = 2205/1260
Likewise, for the 2nd fraction, since 70 × 18 = 1260,
5/70 = 5 × 18/70 × 18 = 90/1260
Subtract the two like fractions:
2205/1260 - 90/1260 = 2205 - 90/1260 = 2115/1260
After reducing the fraction, the answer is 47/28
In mixed form: 119/28

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