Add 90/10 and 75/12
1st number: 9 0/10, 2nd number: 6 3/12
90/10 + 75/12 is 61/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
90/10 = 90 × 6/10 × 6 = 540/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
75/12 = 75 × 5/12 × 5 = 375/60 - Add the two like fractions:
540/60 + 375/60 = 540 + 375/60 = 915/60 - 915/60 simplified gives 61/4
- So, 90/10 + 75/12 = 61/4
In mixed form: 151/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+75/12 90/10+75/24 90/30+75/12 90/10+75/36 90/50+75/12 90/10+75/60 90/70+75/12 90/10+75/84