Add 30/4 and 90/10
1st number: 7 2/4, 2nd number: 9 0/10
30/4 + 90/10 is 33/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Add the two like fractions:
150/20 + 180/20 = 150 + 180/20 = 330/20 - 330/20 simplified gives 33/2
- So, 30/4 + 90/10 = 33/2
In mixed form: 161/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+90/10 30/8+90/10 30/4+90/20 90/4+90/10 30/12+90/10 30/4+90/30 30/20+90/10 30/4+90/50 30/28+90/10 30/4+90/70