Compare 70/80 and 40/3, Which fraction is greater?

Compare 70/80 and 40/3

1^st number: 70/80, 2^nd number: 13 1/3

70/80 is smaller than 40/3

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 3 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
70/80 = 70 × 3/80 × 3 = 210/240
Likewise, for the 2nd fraction, since 3 × 80 = 240,
40/3 = 40 × 80/3 × 80 = 3200/240
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
210/240 < 3200/240 or 70/80 < 40/3

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