Add 40/32 and 45/70
1st number: 1 8/32, 2nd number: 45/70
40/32 + 45/70 is 53/28.
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,
40/32 = 40 × 35/32 × 35 = 1400/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
45/70 = 45 × 16/70 × 16 = 720/1120 - Add the two like fractions:
1400/1120 + 720/1120 = 1400 + 720/1120 = 2120/1120 - 2120/1120 simplified gives 53/28
- So, 40/32 + 45/70 = 53/28
In mixed form: 125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/32+45/70 40/32+90/70 40/64+45/70 40/96+45/70