Add 20/16 and 70/63
1st number: 1 4/16, 2nd number: 1 7/63
20/16 + 70/63 is 85/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
20/16 = 20 × 63/16 × 63 = 1260/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
70/63 = 70 × 16/63 × 16 = 1120/1008 - Add the two like fractions:
1260/1008 + 1120/1008 = 1260 + 1120/1008 = 2380/1008 - 2380/1008 simplified gives 85/36
- So, 20/16 + 70/63 = 85/36
In mixed form: 213/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+70/63 20/32+70/63 60/16+70/63 20/48+70/63 20/80+70/63