Add 90/70 and 30/96
1st number: 1 20/70, 2nd number: 30/96
90/70 + 30/96 is 179/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 96 is 3360
Next, find the equivalent fraction of both fractional numbers with denominator 3360 - For the 1st fraction, since 70 × 48 = 3360,
90/70 = 90 × 48/70 × 48 = 4320/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
30/96 = 30 × 35/96 × 35 = 1050/3360 - Add the two like fractions:
4320/3360 + 1050/3360 = 4320 + 1050/3360 = 5370/3360 - 5370/3360 simplified gives 179/112
- So, 90/70 + 30/96 = 179/112
In mixed form: 167/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+60/96 90/70+90/96