Add 70/20 and 49/64
1st number: 3 10/20, 2nd number: 49/64
70/20 + 49/64 is 273/64.
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,
70/20 = 70 × 16/20 × 16 = 1120/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
49/64 = 49 × 5/64 × 5 = 245/320 - Add the two like fractions:
1120/320 + 245/320 = 1120 + 245/320 = 1365/320 - 1365/320 simplified gives 273/64
- So, 70/20 + 49/64 = 273/64
In mixed form: 417/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+98/64 70/40+49/64 70/60+49/64