Add 42/9 and 45/60
1st number: 4 6/9, 2nd number: 45/60
42/9 + 45/60 is 65/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
42/9 = 42 × 20/9 × 20 = 840/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Add the two like fractions:
840/180 + 135/180 = 840 + 135/180 = 975/180 - 975/180 simplified gives 65/12
- So, 42/9 + 45/60 = 65/12
In mixed form: 55/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+45/60 42/9+90/60 42/18+45/60 42/27+45/60 42/45+45/60 42/63+45/60