Add 48/90 and 15/40
48/90 + 15/40 is 109/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
48/90 = 48 × 4/90 × 4 = 192/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Add the two like fractions:
192/360 + 135/360 = 192 + 135/360 = 327/360 - 327/360 simplified gives 109/120
- So, 48/90 + 15/40 = 109/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+15/40 48/90+30/40 48/90+15/80 48/90+45/40 48/90+75/40