Subtract 35/30 from 1/28, Solve 1/28

Subtract 35/30 from 1/28

1^st number: 1/28, 2^nd number: 1 5/30

1/28 - 35/30 is -95/84.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
1/28 = 1 × 15/28 × 15 = 15/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
35/30 = 35 × 14/30 × 14 = 490/420
Subtract the two like fractions:
15/420 - 490/420 = 15 - 490/420 = -475/420
After reducing the fraction, the answer is -95/84

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