Add 20/32 and 7/70
20/32 + 7/70 is 29/40.
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,
20/32 = 20 × 35/32 × 35 = 700/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
7/70 = 7 × 16/70 × 16 = 112/1120 - Add the two like fractions:
700/1120 + 112/1120 = 700 + 112/1120 = 812/1120 - 812/1120 simplified gives 29/40
- So, 20/32 + 7/70 = 29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/32+7/70 20/32+14/70 20/64+7/70 60/32+7/70 20/32+21/70 20/96+7/70 20/32+35/70 20/32+49/70