Add 35/75 and 42/80
35/75 + 42/80 is 119/120.
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,
35/75 = 35 × 16/75 × 16 = 560/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
42/80 = 42 × 15/80 × 15 = 630/1200 - Add the two like fractions:
560/1200 + 630/1200 = 560 + 630/1200 = 1190/1200 - 1190/1200 simplified gives 119/120
- So, 35/75 + 42/80 = 119/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75+42/80 35/75+84/80