Compare 20/18 and 70/50, Which fraction is greater?

Compare 20/18 and 70/50

1^st number: 1 2/18, 2^nd number: 1 20/50

20/18 is smaller than 70/50

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450
Likewise, for the 2nd fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
500/450 < 630/450 or 20/18 < 70/50

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