Add 9/7 and 90/16
1st number: 1 2/7, 2nd number: 5 10/16
9/7 + 90/16 is 387/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
9/7 = 9 × 16/7 × 16 = 144/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
90/16 = 90 × 7/16 × 7 = 630/112 - Add the two like fractions:
144/112 + 630/112 = 144 + 630/112 = 774/112 - 774/112 simplified gives 387/56
- So, 9/7 + 90/16 = 387/56
In mixed form: 651/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+90/16 9/14+90/16 9/7+90/32 27/7+90/16 9/21+90/16 9/7+90/48 45/7+90/16 9/35+90/16 9/7+90/80 63/7+90/16 9/49+90/16