Add 70/16 and 63/15
1st number: 4 6/16, 2nd number: 4 3/15
70/16 + 63/15 is 343/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
70/16 = 70 × 15/16 × 15 = 1050/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
63/15 = 63 × 16/15 × 16 = 1008/240 - Add the two like fractions:
1050/240 + 1008/240 = 1050 + 1008/240 = 2058/240 - 2058/240 simplified gives 343/40
- So, 70/16 + 63/15 = 343/40
In mixed form: 823/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32+63/15 70/16+63/30 70/48+63/15 70/16+63/45 70/80+63/15 70/16+63/75