Add 2/80 and 9/70
2/80 + 9/70 is 43/280.
Steps for adding 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,
2/80 = 2 × 7/80 × 7 = 14/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
9/70 = 9 × 8/70 × 8 = 72/560 - Add the two like fractions:
14/560 + 72/560 = 14 + 72/560 = 86/560 - 86/560 simplified gives 43/280
- So, 2/80 + 9/70 = 43/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80+9/70 2/80+18/70 6/80+9/70 2/80+27/70 10/80+9/70 2/80+45/70 14/80+9/70 2/80+63/70