Add 90/30 and 32/40
1st number: 3 0/30, 2nd number: 32/40
90/30 + 32/40 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
90/30 = 90 × 4/30 × 4 = 360/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
32/40 = 32 × 3/40 × 3 = 96/120 - Add the two like fractions:
360/120 + 96/120 = 360 + 96/120 = 456/120 - 456/120 simplified gives 19/5
- So, 90/30 + 32/40 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+64/40 90/60+32/40 90/30+32/80 90/30+96/40