Add 90/60 and 24/40
1st number: 1 30/60, 2nd number: 24/40
90/60 + 24/40 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
90/60 = 90 × 2/60 × 2 = 180/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
24/40 = 24 × 3/40 × 3 = 72/120 - Add the two like fractions:
180/120 + 72/120 = 180 + 72/120 = 252/120 - 252/120 simplified gives 21/10
- So, 90/60 + 24/40 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+48/40 90/60+24/80 90/60+72/40