Add 40/30 and 12/27
1st number: 1 10/30, 2nd number: 12/27
40/30 + 12/27 is 16/9.
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,
40/30 = 40 × 9/30 × 9 = 360/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
12/27 = 12 × 10/27 × 10 = 120/270 - Add the two like fractions:
360/270 + 120/270 = 360 + 120/270 = 480/270 - 480/270 simplified gives 16/9
- So, 40/30 + 12/27 = 16/9
In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+12/27 40/30+24/27 40/60+12/27 40/30+12/54 40/30+36/27 40/90+12/27 40/30+12/81 40/30+60/27 40/30+84/27