Add 90/60 and 45/48
1st number: 1 30/60, 2nd number: 45/48
90/60 + 45/48 is 39/16.
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,
45/48 = 45 × 5/48 × 5 = 225/240 - Add the two like fractions:
360/240 + 225/240 = 360 + 225/240 = 585/240 - 585/240 simplified gives 39/16
- So, 90/60 + 45/48 = 39/16
In mixed form: 27/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+90/48 90/60+45/96