Add 60/40 and 4/42
1st number: 1 20/40, 2nd number: 4/42
60/40 + 4/42 is 67/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
60/40 = 60 × 21/40 × 21 = 1260/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
4/42 = 4 × 20/42 × 20 = 80/840 - Add the two like fractions:
1260/840 + 80/840 = 1260 + 80/840 = 1340/840 - 1340/840 simplified gives 67/42
- So, 60/40 + 4/42 = 67/42
In mixed form: 125/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+8/42 60/80+4/42 60/40+4/84 60/40+12/42 60/40+20/42 60/40+28/42