Add 12/30 and 70/54
1st number: 12/30, 2nd number: 1 16/54
12/30 + 70/54 is 229/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Add the two like fractions:
108/270 + 350/270 = 108 + 350/270 = 458/270 - 458/270 simplified gives 229/135
- So, 12/30 + 70/54 = 229/135
In mixed form: 194/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+70/54 12/60+70/54 36/30+70/54 12/90+70/54 60/30+70/54 84/30+70/54