Subtract 90/50 from 28/60, Solve 28/60

Subtract 90/50 from 28/60

1^st number: 28/60, 2^nd number: 1 40/50

28/60 - 90/50 is -4/3.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 50 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 60 × 5 = 300,
28/60 = 28 × 5/60 × 5 = 140/300
Likewise, for the 2nd fraction, since 50 × 6 = 300,
90/50 = 90 × 6/50 × 6 = 540/300
Subtract the two like fractions:
140/300 - 540/300 = 140 - 540/300 = -400/300
After reducing the fraction, the answer is -4/3

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