Add 70/16 and 63/5
1st number: 4 6/16, 2nd number: 12 3/5
70/16 + 63/5 is 679/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
63/5 = 63 × 16/5 × 16 = 1008/80 - Add the two like fractions:
350/80 + 1008/80 = 350 + 1008/80 = 1358/80 - 1358/80 simplified gives 679/40
- So, 70/16 + 63/5 = 679/40
In mixed form: 1639/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32+63/5 70/16+63/10 70/48+63/5 70/16+63/15 70/80+63/5 70/16+63/25 70/16+63/35