Add 60/8 and 90/18
1st number: 7 4/8, 2nd number: 5 0/18
60/8 + 90/18 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
60/8 = 60 × 9/8 × 9 = 540/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
90/18 = 90 × 4/18 × 4 = 360/72 - Add the two like fractions:
540/72 + 360/72 = 540 + 360/72 = 900/72 - 900/72 simplified gives 25/2
- So, 60/8 + 90/18 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16+90/18 60/8+90/36 60/24+90/18 60/8+90/54 60/40+90/18 60/56+90/18