Add 75/90 and 42/48
75/90 + 42/48 is 41/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
75/90 = 75 × 8/90 × 8 = 600/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
42/48 = 42 × 15/48 × 15 = 630/720 - Add the two like fractions:
600/720 + 630/720 = 600 + 630/720 = 1230/720 - 1230/720 simplified gives 41/24
- So, 75/90 + 42/48 = 41/24
In mixed form: 117/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+84/48 75/90+42/96