Add 7/40 and 27/7
1st number: 7/40, 2nd number: 3 6/7
7/40 + 27/7 is 1129/280.
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,
7/40 = 7 × 7/40 × 7 = 49/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
27/7 = 27 × 40/7 × 40 = 1080/280 - Add the two like fractions:
49/280 + 1080/280 = 49 + 1080/280 = 1129/280 - So, 7/40 + 27/7 = 1129/280
In mixed form: 49/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+27/7 7/40+54/7 7/80+27/7 7/40+27/14 21/40+27/7 7/40+81/7 7/40+27/21 35/40+27/7 7/40+27/35 49/40+27/7 7/40+27/49