Add 90/32 and 42/70
1st number: 2 26/32, 2nd number: 42/70
90/32 + 42/70 is 273/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
90/32 = 90 × 35/32 × 35 = 3150/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
42/70 = 42 × 16/70 × 16 = 672/1120 - Add the two like fractions:
3150/1120 + 672/1120 = 3150 + 672/1120 = 3822/1120 - 3822/1120 simplified gives 273/80
- So, 90/32 + 42/70 = 273/80
In mixed form: 333/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32+84/70 90/64+42/70 90/96+42/70