Add 42/18 and 1/28
1st number: 2 6/18, 2nd number: 1/28
42/18 + 1/28 is 199/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
42/18 = 42 × 14/18 × 14 = 588/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
1/28 = 1 × 9/28 × 9 = 9/252 - Add the two like fractions:
588/252 + 9/252 = 588 + 9/252 = 597/252 - 597/252 simplified gives 199/84
- So, 42/18 + 1/28 = 199/84
In mixed form: 231/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+1/28 42/18+2/28 42/36+1/28 42/18+1/56 42/18+3/28 42/54+1/28 42/18+1/84 42/18+5/28 42/90+1/28 42/18+7/28