Add 45/60 and 2/40
45/60 + 2/40 is 4/5.
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,
45/60 = 45 × 2/60 × 2 = 90/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
2/40 = 2 × 3/40 × 3 = 6/120 - Add the two like fractions:
90/120 + 6/120 = 90 + 6/120 = 96/120 - 96/120 simplified gives 4/5
- So, 45/60 + 2/40 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+2/40 45/60+4/40 45/60+2/80 45/60+6/40 45/60+10/40 45/60+14/40