Add 42/75 and 14/40
42/75 + 14/40 is 91/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
42/75 = 42 × 8/75 × 8 = 336/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
14/40 = 14 × 15/40 × 15 = 210/600 - Add the two like fractions:
336/600 + 210/600 = 336 + 210/600 = 546/600 - 546/600 simplified gives 91/100
- So, 42/75 + 14/40 = 91/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+14/40 42/75+28/40 42/75+14/80 42/75+42/40 42/75+70/40 42/75+98/40