Subtract 21/40 from 50/27, Solve 1 23/27

Subtract 21/40 from 50/27

1^st number: 1 23/27, 2^nd number: 21/40

50/27 - 21/40 is 1433/1080.

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,
50/27 = 50 × 40/27 × 40 = 2000/1080
Likewise, for the 2nd fraction, since 40 × 27 = 1080,
21/40 = 21 × 27/40 × 27 = 567/1080
Subtract the two like fractions:
2000/1080 - 567/1080 = 2000 - 567/1080 = 1433/1080
In mixed form: 1353/1080

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