Add 42/27 and 4/30
1st number: 1 15/27, 2nd number: 4/30
42/27 + 4/30 is 76/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
4/30 = 4 × 9/30 × 9 = 36/270 - Add the two like fractions:
420/270 + 36/270 = 420 + 36/270 = 456/270 - 456/270 simplified gives 76/45
- So, 42/27 + 4/30 = 76/45
In mixed form: 131/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+4/30 42/27+8/30 42/54+4/30 42/27+4/60 42/27+12/30 42/81+4/30 42/27+4/90 42/27+20/30 42/27+28/30