Add 42/64 and 7/10
42/64 + 7/10 is 217/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 10 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320 - Likewise, for the 2nd fraction, since 10 × 32 = 320,
7/10 = 7 × 32/10 × 32 = 224/320 - Add the two like fractions:
210/320 + 224/320 = 210 + 224/320 = 434/320 - 434/320 simplified gives 217/160
- So, 42/64 + 7/10 = 217/160
In mixed form: 157/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/64+7/10 42/64+14/10 42/64+7/20 42/64+21/10 42/64+7/30 42/64+35/10 42/64+7/50 42/64+49/10 42/64+7/70