Add 90/12 and 25/7
1st number: 7 6/12, 2nd number: 3 4/7
90/12 + 25/7 is 155/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
25/7 = 25 × 12/7 × 12 = 300/84 - Add the two like fractions:
630/84 + 300/84 = 630 + 300/84 = 930/84 - 930/84 simplified gives 155/14
- So, 90/12 + 25/7 = 155/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+50/7 90/24+25/7 90/12+25/14 90/12+75/7 90/36+25/7 90/12+25/21 90/60+25/7 90/12+25/35 90/84+25/7 90/12+25/49