Add 14/70 and 72/80
14/70 + 72/80 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
14/70 = 14 × 8/70 × 8 = 112/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
72/80 = 72 × 7/80 × 7 = 504/560 - Add the two like fractions:
112/560 + 504/560 = 112 + 504/560 = 616/560 - 616/560 simplified gives 11/10
- So, 14/70 + 72/80 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70+72/80 42/70+72/80 98/70+72/80