Add 7/40 and 70/28
1st number: 7/40, 2nd number: 2 14/28
7/40 + 70/28 is 107/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 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 28 × 10 = 280,
70/28 = 70 × 10/28 × 10 = 700/280 - Add the two like fractions:
49/280 + 700/280 = 49 + 700/280 = 749/280 - 749/280 simplified gives 107/40
- So, 7/40 + 70/28 = 107/40
In mixed form: 227/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+70/28 7/80+70/28 7/40+70/56 21/40+70/28 7/40+70/84 35/40+70/28 49/40+70/28