Add 45/14 and 72/8
1st number: 3 3/14, 2nd number: 9 0/8
45/14 + 72/8 is 171/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
45/14 = 45 × 4/14 × 4 = 180/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
72/8 = 72 × 7/8 × 7 = 504/56 - Add the two like fractions:
180/56 + 504/56 = 180 + 504/56 = 684/56 - 684/56 simplified gives 171/14
- So, 45/14 + 72/8 = 171/14
In mixed form: 123/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+72/8 45/28+72/8 45/14+72/16 45/42+72/8 45/14+72/24 45/70+72/8 45/14+72/40 45/98+72/8 45/14+72/56