Subtract 28/16 from 28/30, Solve 28/30

Subtract 28/16 from 28/30

1^st number: 28/30, 2^nd number: 1 12/16

28/30 - 28/16 is -49/60.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 30 × 8 = 240,
28/30 = 28 × 8/30 × 8 = 224/240
Likewise, for the 2nd fraction, since 16 × 15 = 240,
28/16 = 28 × 15/16 × 15 = 420/240
Subtract the two like fractions:
224/240 - 420/240 = 224 - 420/240 = -196/240
After reducing the fraction, the answer is -49/60

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