Add 45/16 and 70/63
1st number: 2 13/16, 2nd number: 1 7/63
45/16 + 70/63 is 565/144.
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,
45/16 = 45 × 63/16 × 63 = 2835/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
70/63 = 70 × 16/63 × 16 = 1120/1008 - Add the two like fractions:
2835/1008 + 1120/1008 = 2835 + 1120/1008 = 3955/1008 - 3955/1008 simplified gives 565/144
- So, 45/16 + 70/63 = 565/144
In mixed form: 3133/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+70/63 45/32+70/63 45/48+70/63 45/80+70/63