Add 70/60 and 42/9
1st number: 1 10/60, 2nd number: 4 6/9
70/60 + 42/9 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
70/60 = 70 × 3/60 × 3 = 210/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
42/9 = 42 × 20/9 × 20 = 840/180 - Add the two like fractions:
210/180 + 840/180 = 210 + 840/180 = 1050/180 - 1050/180 simplified gives 35/6
- So, 70/60 + 42/9 = 35/6
In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+84/9 70/60+42/18 70/60+42/27 70/60+42/45 70/60+42/63