Add 1/40 and 10/7
1st number: 1/40, 2nd number: 1 3/7
1/40 + 10/7 is 407/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 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 7 × 40 = 280,
10/7 = 10 × 40/7 × 40 = 400/280 - Add the two like fractions:
7/280 + 400/280 = 7 + 400/280 = 407/280 - So, 1/40 + 10/7 = 407/280
In mixed form: 1127/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+10/7 1/40+20/7 1/80+10/7 1/40+10/14 3/40+10/7 1/40+30/7 1/40+10/21 5/40+10/7 1/40+50/7 1/40+10/35 7/40+10/7 1/40+70/7 1/40+10/49