Add 72/60 and 45/16
1st number: 1 12/60, 2nd number: 2 13/16
72/60 + 45/16 is 321/80.
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,
72/60 = 72 × 4/60 × 4 = 288/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
45/16 = 45 × 15/16 × 15 = 675/240 - Add the two like fractions:
288/240 + 675/240 = 288 + 675/240 = 963/240 - 963/240 simplified gives 321/80
- So, 72/60 + 45/16 = 321/80
In mixed form: 41/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+90/16 72/60+45/32 72/60+45/48 72/60+45/80