Add 16/40 and 90/30
1st number: 16/40, 2nd number: 3 0/30
16/40 + 90/30 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
16/40 = 16 × 3/40 × 3 = 48/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
90/30 = 90 × 4/30 × 4 = 360/120 - Add the two like fractions:
48/120 + 360/120 = 48 + 360/120 = 408/120 - 408/120 simplified gives 17/5
- So, 16/40 + 90/30 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40+90/30 16/80+90/30 16/40+90/60 48/40+90/30 80/40+90/30