Add 35/42 and 54/40
1st number: 35/42, 2nd number: 1 14/40
35/42 + 54/40 is 131/60.
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,
35/42 = 35 × 20/42 × 20 = 700/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
54/40 = 54 × 21/40 × 21 = 1134/840 - Add the two like fractions:
700/840 + 1134/840 = 700 + 1134/840 = 1834/840 - 1834/840 simplified gives 131/60
- So, 35/42 + 54/40 = 131/60
In mixed form: 211/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+54/40 35/84+54/40 35/42+54/80