Add 9/70 and 6/80
9/70 + 6/80 is 57/280.
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,
9/70 = 9 × 8/70 × 8 = 72/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
6/80 = 6 × 7/80 × 7 = 42/560 - Add the two like fractions:
72/560 + 42/560 = 72 + 42/560 = 114/560 - 114/560 simplified gives 57/280
- So, 9/70 + 6/80 = 57/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+6/80 9/70+12/80 27/70+6/80 9/70+18/80 45/70+6/80 9/70+30/80 63/70+6/80 9/70+42/80