Add 42/30 and 1/27
1st number: 1 12/30, 2nd number: 1/27
42/30 + 1/27 is 194/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
1/27 = 1 × 10/27 × 10 = 10/270 - Add the two like fractions:
378/270 + 10/270 = 378 + 10/270 = 388/270 - 388/270 simplified gives 194/135
- So, 42/30 + 1/27 = 194/135
In mixed form: 159/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+1/27 42/30+2/27 42/60+1/27 42/30+1/54 42/30+3/27 42/90+1/27 42/30+1/81 42/30+5/27 42/30+7/27