Add 1/40 and 48/45
1st number: 1/40, 2nd number: 1 3/45
1/40 + 48/45 is 131/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
1/40 = 1 × 9/40 × 9 = 9/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
48/45 = 48 × 8/45 × 8 = 384/360 - Add the two like fractions:
9/360 + 384/360 = 9 + 384/360 = 393/360 - 393/360 simplified gives 131/120
- So, 1/40 + 48/45 = 131/120
In mixed form: 111/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+48/45 1/40+96/45 1/80+48/45 1/40+48/90 3/40+48/45 5/40+48/45 7/40+48/45