Add 90/12 and 4/10
1st number: 7 6/12, 2nd number: 4/10
90/12 + 4/10 is 79/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
4/10 = 4 × 6/10 × 6 = 24/60 - Add the two like fractions:
450/60 + 24/60 = 450 + 24/60 = 474/60 - 474/60 simplified gives 79/10
- So, 90/12 + 4/10 = 79/10
In mixed form: 79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+8/10 90/24+4/10 90/12+4/20 90/12+12/10 90/36+4/10 90/12+4/30 90/12+20/10 90/60+4/10 90/12+4/50 90/12+28/10 90/84+4/10 90/12+4/70