Add 60/18 and 45/7
1st number: 3 6/18, 2nd number: 6 3/7
60/18 + 45/7 is 205/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
60/18 = 60 × 7/18 × 7 = 420/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
45/7 = 45 × 18/7 × 18 = 810/126 - Add the two like fractions:
420/126 + 810/126 = 420 + 810/126 = 1230/126 - 1230/126 simplified gives 205/21
- So, 60/18 + 45/7 = 205/21
In mixed form: 916/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+90/7 60/36+45/7 60/18+45/14 60/54+45/7 60/18+45/21 60/90+45/7 60/18+45/35 60/18+45/49