Add 35/40 and 6/42
35/40 + 6/42 is 57/56.
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,
35/40 = 35 × 21/40 × 21 = 735/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
6/42 = 6 × 20/42 × 20 = 120/840 - Add the two like fractions:
735/840 + 120/840 = 735 + 120/840 = 855/840 - 855/840 simplified gives 57/56
- So, 35/40 + 6/42 = 57/56
In mixed form: 11/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+6/42 35/40+12/42 35/80+6/42 35/40+6/84 35/40+18/42 35/40+30/42