Add 20/70 and 6/64
20/70 + 6/64 is 85/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
20/70 = 20 × 32/70 × 32 = 640/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
6/64 = 6 × 35/64 × 35 = 210/2240 - Add the two like fractions:
640/2240 + 210/2240 = 640 + 210/2240 = 850/2240 - 850/2240 simplified gives 85/224
- So, 20/70 + 6/64 = 85/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70+6/64 20/70+12/64 60/70+6/64 20/70+18/64 20/70+30/64 20/70+42/64