Subtract 45/84 from 56/35, Solve 1 21/35

Subtract 45/84 from 56/35

1^st number: 1 21/35, 2^nd number: 45/84

56/35 - 45/84 is 149/140.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 35 × 12 = 420,
56/35 = 56 × 12/35 × 12 = 672/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420
Subtract the two like fractions:
672/420 - 225/420 = 672 - 225/420 = 447/420
After reducing the fraction, the answer is 149/140
In mixed form: 19/140

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