Add 35/70 and 9/40
35/70 + 9/40 is 29/40.
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,
35/70 = 35 × 4/70 × 4 = 140/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Add the two like fractions:
140/280 + 63/280 = 140 + 63/280 = 203/280 - 203/280 simplified gives 29/40
- So, 35/70 + 9/40 = 29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70+18/40 35/70+9/80 35/70+27/40 35/70+45/40 35/70+63/40