Add 90/30 and 50/4
1st number: 3 0/30, 2nd number: 12 2/4
90/30 + 50/4 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
50/4 = 50 × 15/4 × 15 = 750/60 - Add the two like fractions:
180/60 + 750/60 = 180 + 750/60 = 930/60 - 930/60 simplified gives 31/2
- So, 90/30 + 50/4 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+50/4 90/30+50/8 90/30+50/12 90/30+50/20 90/30+50/28