Add 63/16 and 70/9
1st number: 3 15/16, 2nd number: 7 7/9
63/16 + 70/9 is 1687/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
63/16 = 63 × 9/16 × 9 = 567/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
70/9 = 70 × 16/9 × 16 = 1120/144 - Add the two like fractions:
567/144 + 1120/144 = 567 + 1120/144 = 1687/144 - So, 63/16 + 70/9 = 1687/144
In mixed form: 11103/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/32+70/9 63/16+70/18 63/48+70/9 63/16+70/27 63/80+70/9 63/16+70/45 63/16+70/63