Subtract 28/80 from 24/18, Solve 1 6/18

Subtract 28/80 from 24/18

1^st number: 1 6/18, 2^nd number: 28/80

24/18 - 28/80 is 59/60.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 18 × 40 = 720,
24/18 = 24 × 40/18 × 40 = 960/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720
Subtract the two like fractions:
960/720 - 252/720 = 960 - 252/720 = 708/720
After reducing the fraction, the answer is 59/60

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