Add 3/7 and 1/40
3/7 + 1/40 is 127/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
3/7 = 3 × 40/7 × 40 = 120/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Add the two like fractions:
120/280 + 7/280 = 120 + 7/280 = 127/280 - So, 3/7 + 1/40 = 127/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+1/40 3/7+2/40 3/14+1/40 3/7+1/80 9/7+1/40 3/7+3/40 3/21+1/40 15/7+1/40 3/7+5/40 3/35+1/40 21/7+1/40 3/7+7/40 3/49+1/40