Add 1/40 and 28/35
1/40 + 28/35 is 33/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
28/35 = 28 × 8/35 × 8 = 224/280 - Add the two like fractions:
7/280 + 224/280 = 7 + 224/280 = 231/280 - 231/280 simplified gives 33/40
- So, 1/40 + 28/35 = 33/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+28/35 1/40+56/35 1/80+28/35 1/40+28/70 3/40+28/35 1/40+84/35 5/40+28/35 7/40+28/35