Add 90/60 and 45/7
1st number: 1 30/60, 2nd number: 6 3/7
90/60 + 45/7 is 111/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
45/7 = 45 × 60/7 × 60 = 2700/420 - Add the two like fractions:
630/420 + 2700/420 = 630 + 2700/420 = 3330/420 - 3330/420 simplified gives 111/14
- So, 90/60 + 45/7 = 111/14
In mixed form: 713/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+90/7 90/60+45/14 90/60+45/21 90/60+45/35 90/60+45/49