Add 42/20 and 63/14
1st number: 2 2/20, 2nd number: 4 7/14
42/20 + 63/14 is 33/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
63/14 = 63 × 10/14 × 10 = 630/140 - Add the two like fractions:
294/140 + 630/140 = 294 + 630/140 = 924/140 - 924/140 simplified gives 33/5
- So, 42/20 + 63/14 = 33/5
In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+63/14 42/40+63/14 42/20+63/28 42/60+63/14 42/20+63/42 42/20+63/70 42/20+63/98