Add 72/60 and 90/16
1st number: 1 12/60, 2nd number: 5 10/16
72/60 + 90/16 is 273/40.
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,
90/16 = 90 × 15/16 × 15 = 1350/240 - Add the two like fractions:
288/240 + 1350/240 = 288 + 1350/240 = 1638/240 - 1638/240 simplified gives 273/40
- So, 72/60 + 90/16 = 273/40
In mixed form: 633/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+90/32 72/60+90/48 72/60+90/80