Add 10/30 and 12/27
10/30 + 12/27 is 7/9.
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,
10/30 = 10 × 9/30 × 9 = 90/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
12/27 = 12 × 10/27 × 10 = 120/270 - Add the two like fractions:
90/270 + 120/270 = 90 + 120/270 = 210/270 - 210/270 simplified gives 7/9
- So, 10/30 + 12/27 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+12/27 10/30+24/27 10/60+12/27 10/30+12/54 10/30+36/27 10/90+12/27 10/30+12/81 50/30+12/27 10/30+60/27 70/30+12/27 10/30+84/27