Subtract 49/80 from 30/27, Solve 1 3/27

Subtract 49/80 from 30/27

1^st number: 1 3/27, 2^nd number: 49/80

30/27 - 49/80 is 359/720.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 27 × 80 = 2160,
30/27 = 30 × 80/27 × 80 = 2400/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
49/80 = 49 × 27/80 × 27 = 1323/2160
Subtract the two like fractions:
2400/2160 - 1323/2160 = 2400 - 1323/2160 = 1077/2160
After reducing the fraction, the answer is 359/720

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