Add 70/50 and 45/32
1st number: 1 20/50, 2nd number: 1 13/32
70/50 + 45/32 is 449/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 32 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 50 × 16 = 800,
70/50 = 70 × 16/50 × 16 = 1120/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
45/32 = 45 × 25/32 × 25 = 1125/800 - Add the two like fractions:
1120/800 + 1125/800 = 1120 + 1125/800 = 2245/800 - 2245/800 simplified gives 449/160
- So, 70/50 + 45/32 = 449/160
In mixed form: 2129/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+90/32 70/50+45/64 70/50+45/96