Solutions by everydaycalculation.com

221 is smaller than 17

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

LCM of 21 and 7 is**21** - For the 1st fraction, since 21 × 1 = 21,

221 = 2 × 121 × 1 = 221 - Likewise, for the 2nd fraction, since 7 × 3 = 21,

17 = 1 × 37 × 3 = 321 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 221 < 321 or 221 < 17

Related: ^{4}/_{21} and ^{1}/_{7} ^{2}/_{21} and ^{2}/_{7} ^{2}/_{42} and ^{1}/_{7} ^{2}/_{21} and ^{1}/_{14} ^{6}/_{21} and ^{1}/_{7} ^{2}/_{21} and ^{3}/_{7} ^{2}/_{63} and ^{1}/_{7} ^{2}/_{21} and ^{1}/_{21} ^{10}/_{21} and ^{1}/_{7} ^{2}/_{21} and ^{5}/_{7} ^{2}/_{21} and ^{1}/_{35} ^{14}/_{21} and ^{1}/_{7} ^{2}/_{21} and ^{1}/_{49}

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