Subtract 56/40 from 5/84, Solve 5/84

Subtract 56/40 from 5/84

1^st number: 5/84, 2^nd number: 1 16/40

5/84 - 56/40 is -563/420.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 84 × 10 = 840,
5/84 = 5 × 10/84 × 10 = 50/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
56/40 = 56 × 21/40 × 21 = 1176/840
Subtract the two like fractions:
50/840 - 1176/840 = 50 - 1176/840 = -1126/840
After reducing the fraction, the answer is -563/420

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