Add 6/40 and 5/42
6/40 + 5/42 is 113/420.
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,
6/40 = 6 × 21/40 × 21 = 126/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
5/42 = 5 × 20/42 × 20 = 100/840 - Add the two like fractions:
126/840 + 100/840 = 126 + 100/840 = 226/840 - 226/840 simplified gives 113/420
- So, 6/40 + 5/42 = 113/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+5/42 6/40+10/42 6/80+5/42 6/40+5/84 18/40+5/42 6/40+15/42 30/40+5/42 6/40+25/42 42/40+5/42 6/40+35/42