Add 15/70 and 90/32
1st number: 15/70, 2nd number: 2 26/32
15/70 + 90/32 is 339/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
15/70 = 15 × 16/70 × 16 = 240/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
90/32 = 90 × 35/32 × 35 = 3150/1120 - Add the two like fractions:
240/1120 + 3150/1120 = 240 + 3150/1120 = 3390/1120 - 3390/1120 simplified gives 339/112
- So, 15/70 + 90/32 = 339/112
In mixed form: 33/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+90/32 15/70+90/64 45/70+90/32 15/70+90/96 75/70+90/32