Answers

Compare 90/63 and 49/40

1^st number: 1 27/63, 2^nd number: 1 9/40

90/63 is greater than 49/40

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 40 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 63 × 40 = 2520,
   90/63 = 90 × 40/63 × 40 = 3600/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   49/40 = 49 × 63/40 × 63 = 3087/2520
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 3600/2520 > 3087/2520 or 90/63 > 49/40

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