Add 70/60 and 20/54
1st number: 1 10/60, 2nd number: 20/54
70/60 + 20/54 is 83/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
70/60 = 70 × 9/60 × 9 = 630/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
20/54 = 20 × 10/54 × 10 = 200/540 - Add the two like fractions:
630/540 + 200/540 = 630 + 200/540 = 830/540 - 830/540 simplified gives 83/54
- So, 70/60 + 20/54 = 83/54
In mixed form: 129/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+40/54 70/60+60/54