Add 42/75 and 1/84
42/75 + 1/84 is 1201/2100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
42/75 = 42 × 28/75 × 28 = 1176/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
1/84 = 1 × 25/84 × 25 = 25/2100 - Add the two like fractions:
1176/2100 + 25/2100 = 1176 + 25/2100 = 1201/2100 - So, 42/75 + 1/84 = 1201/2100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+1/84 42/75+2/84 42/75+3/84 42/75+5/84 42/75+7/84