Add 8/70 and 9/40
8/70 + 9/40 is 19/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
8/70 = 8 × 4/70 × 4 = 32/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Add the two like fractions:
32/280 + 63/280 = 32 + 63/280 = 95/280 - 95/280 simplified gives 19/56
- So, 8/70 + 9/40 = 19/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70+9/40 8/70+18/40 8/70+9/80 24/70+9/40 8/70+27/40 40/70+9/40 8/70+45/40 56/70+9/40 8/70+63/40