Subtract 15/84 from 36/10, Solve 3 6/10

Subtract 15/84 from 36/10

1^st number: 3 6/10, 2^nd number: 15/84

36/10 - 15/84 is 479/140.

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,
36/10 = 36 × 42/10 × 42 = 1512/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
15/84 = 15 × 5/84 × 5 = 75/420
Subtract the two like fractions:
1512/420 - 75/420 = 1512 - 75/420 = 1437/420
After reducing the fraction, the answer is 479/140
In mixed form: 359/140

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