Add 35/40 and 5/70
35/40 + 5/70 is 53/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
35/40 = 35 × 7/40 × 7 = 245/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280 - Add the two like fractions:
245/280 + 20/280 = 245 + 20/280 = 265/280 - 265/280 simplified gives 53/56
- So, 35/40 + 5/70 = 53/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+5/70 35/40+10/70 35/80+5/70 35/40+15/70 35/40+25/70 35/40+35/70