Add 7/40 and 70/16
1st number: 7/40, 2nd number: 4 6/16
7/40 + 70/16 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
7/40 = 7 × 2/40 × 2 = 14/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Add the two like fractions:
14/80 + 350/80 = 14 + 350/80 = 364/80 - 364/80 simplified gives 91/20
- So, 7/40 + 70/16 = 91/20
In mixed form: 411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+70/16 7/80+70/16 7/40+70/32 21/40+70/16 7/40+70/48 35/40+70/16 7/40+70/80 49/40+70/16