Add 7/75 and 45/80
7/75 + 45/80 is 787/1200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
7/75 = 7 × 16/75 × 16 = 112/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
45/80 = 45 × 15/80 × 15 = 675/1200 - Add the two like fractions:
112/1200 + 675/1200 = 112 + 675/1200 = 787/1200 - So, 7/75 + 45/80 = 787/1200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75+45/80 7/75+90/80 21/75+45/80 35/75+45/80 49/75+45/80