Add 60/42 and 4/40
1st number: 1 18/42, 2nd number: 4/40
60/42 + 4/40 is 107/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
60/42 = 60 × 20/42 × 20 = 1200/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
4/40 = 4 × 21/40 × 21 = 84/840 - Add the two like fractions:
1200/840 + 84/840 = 1200 + 84/840 = 1284/840 - 1284/840 simplified gives 107/70
- So, 60/42 + 4/40 = 107/70
In mixed form: 137/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+8/40 60/84+4/40 60/42+4/80 60/42+12/40 60/42+20/40 60/42+28/40