Add 4/48 and 42/90
4/48 + 42/90 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
4/48 = 4 × 15/48 × 15 = 60/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Add the two like fractions:
60/720 + 336/720 = 60 + 336/720 = 396/720 - 396/720 simplified gives 11/20
- So, 4/48 + 42/90 = 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48+42/90 4/48+84/90 4/96+42/90 12/48+42/90 20/48+42/90 28/48+42/90