Add 2/20 and 42/64
2/20 + 42/64 is 121/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
2/20 = 2 × 16/20 × 16 = 32/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320 - Add the two like fractions:
32/320 + 210/320 = 32 + 210/320 = 242/320 - 242/320 simplified gives 121/160
- So, 2/20 + 42/64 = 121/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+42/64 2/20+84/64 2/40+42/64 6/20+42/64 2/60+42/64 10/20+42/64 14/20+42/64