Add 50/42 and 14/40
1st number: 1 8/42, 2nd number: 14/40
50/42 + 14/40 is 647/420.
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,
50/42 = 50 × 20/42 × 20 = 1000/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
14/40 = 14 × 21/40 × 21 = 294/840 - Add the two like fractions:
1000/840 + 294/840 = 1000 + 294/840 = 1294/840 - 1294/840 simplified gives 647/420
- So, 50/42 + 14/40 = 647/420
In mixed form: 1227/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+28/40 50/84+14/40 50/42+14/80 50/42+42/40 50/42+70/40 50/42+98/40