Add 14/42 and 16/40
14/42 + 16/40 is 11/15.
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,
14/42 = 14 × 20/42 × 20 = 280/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
16/40 = 16 × 21/40 × 21 = 336/840 - Add the two like fractions:
280/840 + 336/840 = 280 + 336/840 = 616/840 - 616/840 simplified gives 11/15
- So, 14/42 + 16/40 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+16/40 14/42+32/40 14/84+16/40 14/42+16/80 14/42+48/40 70/42+16/40 14/42+80/40 98/42+16/40