Add 70/54 and 15/30
1st number: 1 16/54, 2nd number: 15/30
70/54 + 15/30 is 97/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
15/30 = 15 × 9/30 × 9 = 135/270 - Add the two like fractions:
350/270 + 135/270 = 350 + 135/270 = 485/270 - 485/270 simplified gives 97/54
- So, 70/54 + 15/30 = 97/54
In mixed form: 143/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+15/60 70/54+45/30 70/54+15/90 70/54+75/30