Add 75/45 and 90/8
1st number: 1 30/45, 2nd number: 11 2/8
75/45 + 90/8 is 155/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
75/45 = 75 × 8/45 × 8 = 600/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
90/8 = 90 × 45/8 × 45 = 4050/360 - Add the two like fractions:
600/360 + 4050/360 = 600 + 4050/360 = 4650/360 - 4650/360 simplified gives 155/12
- So, 75/45 + 90/8 = 155/12
In mixed form: 1211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+90/8 75/45+90/16 75/45+90/24 75/45+90/40 75/45+90/56