Compare 25/70 and 12/72
25/70 is greater than 12/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
25/70 = 25 × 36/70 × 36 = 900/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
12/72 = 12 × 35/72 × 35 = 420/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 900/2520 > 420/2520 or 25/70 > 12/72
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