Add 50/30 and 90/8
1st number: 1 20/30, 2nd number: 11 2/8
50/30 + 90/8 is 155/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
50/30 = 50 × 4/30 × 4 = 200/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
90/8 = 90 × 15/8 × 15 = 1350/120 - Add the two like fractions:
200/120 + 1350/120 = 200 + 1350/120 = 1550/120 - 1550/120 simplified gives 155/12
- So, 50/30 + 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: 50/60+90/8 50/30+90/16 50/90+90/8 50/30+90/24 50/30+90/40 50/30+90/56