Add 42/30 and 5/27
1st number: 1 12/30, 2nd number: 5/27
42/30 + 5/27 is 214/135.
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,
5/27 = 5 × 10/27 × 10 = 50/270 - Add the two like fractions:
378/270 + 50/270 = 378 + 50/270 = 428/270 - 428/270 simplified gives 214/135
- So, 42/30 + 5/27 = 214/135
In mixed form: 179/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+5/27 42/30+10/27 42/60+5/27 42/30+5/54 42/30+15/27 42/90+5/27 42/30+5/81 42/30+25/27 42/30+35/27