Add 45/60 and 18/16
1st number: 45/60, 2nd number: 1 2/16
45/60 + 18/16 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
45/60 = 45 × 4/60 × 4 = 180/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Add the two like fractions:
180/240 + 270/240 = 180 + 270/240 = 450/240 - 450/240 simplified gives 15/8
- So, 45/60 + 18/16 = 15/8
In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+18/16 45/60+36/16 45/60+18/32 45/60+54/16 45/60+18/48 45/60+90/16 45/60+18/80