Add 45/40 and 70/16
1st number: 1 5/40, 2nd number: 4 6/16
45/40 + 70/16 is 11/2.
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,
45/40 = 45 × 2/40 × 2 = 90/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Add the two like fractions:
90/80 + 350/80 = 90 + 350/80 = 440/80 - 440/80 simplified gives 11/2
- So, 45/40 + 70/16 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+70/16 45/80+70/16 45/40+70/32 45/40+70/48 45/40+70/80