Add 90/16 and 72/10
1st number: 5 10/16, 2nd number: 7 2/10
90/16 + 72/10 is 513/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
90/16 = 90 × 5/16 × 5 = 450/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
72/10 = 72 × 8/10 × 8 = 576/80 - Add the two like fractions:
450/80 + 576/80 = 450 + 576/80 = 1026/80 - 1026/80 simplified gives 513/40
- So, 90/16 + 72/10 = 513/40
In mixed form: 1233/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32+72/10 90/16+72/20 90/48+72/10 90/16+72/30 90/80+72/10 90/16+72/50 90/16+72/70