Add 45/80 and 70/16
1st number: 45/80, 2nd number: 4 6/16
45/80 + 70/16 is 79/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Add the two like fractions:
45/80 + 350/80 = 45 + 350/80 = 395/80 - 395/80 simplified gives 79/16
- So, 45/80 + 70/16 = 79/16
In mixed form: 415/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+70/16 45/80+70/32 45/80+70/48 45/80+70/80