Compare 4/80 and 63/70
4/80 is smaller than 63/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
4/80 = 4 × 7/80 × 7 = 28/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
63/70 = 63 × 8/70 × 8 = 504/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/560 < 504/560 or 4/80 < 63/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80 and 63/70 12/80 and 63/70 20/80 and 63/70 28/80 and 63/70