Add 90/60 and 20/48
1st number: 1 30/60, 2nd number: 20/48
90/60 + 20/48 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
90/60 = 90 × 4/60 × 4 = 360/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
20/48 = 20 × 5/48 × 5 = 100/240 - Add the two like fractions:
360/240 + 100/240 = 360 + 100/240 = 460/240 - 460/240 simplified gives 23/12
- So, 90/60 + 20/48 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+40/48 90/60+20/96 90/60+60/48