Add 63/70 and 20/16
1st number: 63/70, 2nd number: 1 4/16
63/70 + 20/16 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
63/70 = 63 × 8/70 × 8 = 504/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
20/16 = 20 × 35/16 × 35 = 700/560 - Add the two like fractions:
504/560 + 700/560 = 504 + 700/560 = 1204/560 - 1204/560 simplified gives 43/20
- So, 63/70 + 20/16 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70+40/16 63/70+20/32 63/70+60/16 63/70+20/48 63/70+20/80