Add 3/16 and 72/45
1st number: 3/16, 2nd number: 1 27/45
3/16 + 72/45 is 143/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
3/16 = 3 × 45/16 × 45 = 135/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
72/45 = 72 × 16/45 × 16 = 1152/720 - Add the two like fractions:
135/720 + 1152/720 = 135 + 1152/720 = 1287/720 - 1287/720 simplified gives 143/80
- So, 3/16 + 72/45 = 143/80
In mixed form: 163/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16+72/45 3/32+72/45 3/16+72/90 9/16+72/45 3/48+72/45 15/16+72/45 3/80+72/45 21/16+72/45