Subtract 45/10 from 9/28, Solve 9/28

Subtract 45/10 from 9/28

1^st number: 9/28, 2^nd number: 4 5/10

9/28 - 45/10 is -117/28.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 28 × 5 = 140,
9/28 = 9 × 5/28 × 5 = 45/140
Likewise, for the 2nd fraction, since 10 × 14 = 140,
45/10 = 45 × 14/10 × 14 = 630/140
Subtract the two like fractions:
45/140 - 630/140 = 45 - 630/140 = -585/140
After reducing the fraction, the answer is -117/28

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