Add 72/16 and 70/63
1st number: 4 8/16, 2nd number: 1 7/63
72/16 + 70/63 is 101/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
72/16 = 72 × 63/16 × 63 = 4536/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
70/63 = 70 × 16/63 × 16 = 1120/1008 - Add the two like fractions:
4536/1008 + 1120/1008 = 4536 + 1120/1008 = 5656/1008 - 5656/1008 simplified gives 101/18
- So, 72/16 + 70/63 = 101/18
In mixed form: 511/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/32+70/63 72/48+70/63 72/80+70/63