Subtract 1/40 from 63/27, Solve 2 9/27

Subtract 1/40 from 63/27

1^st number: 2 9/27, 2^nd number: 1/40

63/27 - 1/40 is 277/120.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 27 × 40 = 1080,
63/27 = 63 × 40/27 × 40 = 2520/1080
Likewise, for the 2nd fraction, since 40 × 27 = 1080,
1/40 = 1 × 27/40 × 27 = 27/1080
Subtract the two like fractions:
2520/1080 - 27/1080 = 2520 - 27/1080 = 2493/1080
After reducing the fraction, the answer is 277/120
In mixed form: 237/120

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