Subtract 9/56 from 80/45, Solve 1 35/45

Subtract 9/56 from 80/45

1^st number: 1 35/45, 2^nd number: 9/56

80/45 - 9/56 is 815/504.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 45 × 56 = 2520,
80/45 = 80 × 56/45 × 56 = 4480/2520
Likewise, for the 2nd fraction, since 56 × 45 = 2520,
9/56 = 9 × 45/56 × 45 = 405/2520
Subtract the two like fractions:
4480/2520 - 405/2520 = 4480 - 405/2520 = 4075/2520
After reducing the fraction, the answer is 815/504
In mixed form: 1311/504

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