Add 4/30 and 90/80
1st number: 4/30, 2nd number: 1 10/80
4/30 + 90/80 is 151/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
4/30 = 4 × 8/30 × 8 = 32/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
32/240 + 270/240 = 32 + 270/240 = 302/240 - 302/240 simplified gives 151/120
- So, 4/30 + 90/80 = 151/120
In mixed form: 131/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+90/80 4/60+90/80 12/30+90/80 4/90+90/80 20/30+90/80 28/30+90/80