Compare 81/70 and 35/80, Which fraction is greater?

Compare 81/70 and 35/80

1^st number: 1 11/70, 2^nd number: 35/80

81/70 is greater than 35/80

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
81/70 = 81 × 8/70 × 8 = 648/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
35/80 = 35 × 7/80 × 7 = 245/560
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
648/560 > 245/560 or 81/70 > 35/80

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