Add 6/40 and 16/42
6/40 + 16/42 is 223/420.
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,
16/42 = 16 × 20/42 × 20 = 320/840 - Add the two like fractions:
126/840 + 320/840 = 126 + 320/840 = 446/840 - 446/840 simplified gives 223/420
- So, 6/40 + 16/42 = 223/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+16/42 6/40+32/42 6/80+16/42 6/40+16/84 18/40+16/42 6/40+48/42 30/40+16/42 6/40+80/42 42/40+16/42