Add 12/32 and 63/70
12/32 + 63/70 is 51/40.
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,
12/32 = 12 × 35/32 × 35 = 420/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
63/70 = 63 × 16/70 × 16 = 1008/1120 - Add the two like fractions:
420/1120 + 1008/1120 = 420 + 1008/1120 = 1428/1120 - 1428/1120 simplified gives 51/40
- So, 12/32 + 63/70 = 51/40
In mixed form: 111/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/32+63/70 12/64+63/70 36/32+63/70 12/96+63/70 60/32+63/70 84/32+63/70