Add 90/40 and 12/60
1st number: 2 10/40, 2nd number: 12/60
90/40 + 12/60 is 49/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
12/60 = 12 × 2/60 × 2 = 24/120 - Add the two like fractions:
270/120 + 24/120 = 270 + 24/120 = 294/120 - 294/120 simplified gives 49/20
- So, 90/40 + 12/60 = 49/20
In mixed form: 29/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+24/60 90/80+12/60 90/40+36/60 90/40+84/60