Subtract 3/84 from 54/10, Solve 5 4/10

Subtract 3/84 from 54/10

1^st number: 5 4/10, 2^nd number: 3/84

54/10 - 3/84 is 751/140.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 10 × 42 = 420,
54/10 = 54 × 42/10 × 42 = 2268/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
3/84 = 3 × 5/84 × 5 = 15/420
Subtract the two like fractions:
2268/420 - 15/420 = 2268 - 15/420 = 2253/420
After reducing the fraction, the answer is 751/140
In mixed form: 551/140

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