Add 9/70 and 5/40
9/70 + 5/40 is 71/280.
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,
9/70 = 9 × 4/70 × 4 = 36/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
5/40 = 5 × 7/40 × 7 = 35/280 - Add the two like fractions:
36/280 + 35/280 = 36 + 35/280 = 71/280 - So, 9/70 + 5/40 = 71/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+5/40 9/70+10/40 9/70+5/80 27/70+5/40 9/70+15/40 45/70+5/40 9/70+25/40 63/70+5/40 9/70+35/40