Solutions by everydaycalculation.com

1^{st} number: 4 0/7, 2^{nd} number: 6/40

287 is greater than 640

- Find the least common denominator or LCM of the two denominators:

LCM of 7 and 40 is**280**

Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,

287 = 28 × 407 × 40 = 1120280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,

640 = 6 × 740 × 7 = 42280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1120280 > 42280 or 287 > 640

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