Add 90/60 and 56/7
1st number: 1 30/60, 2nd number: 8 0/7
90/60 + 56/7 is 19/2.
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,
56/7 = 56 × 60/7 × 60 = 3360/420 - Add the two like fractions:
630/420 + 3360/420 = 630 + 3360/420 = 3990/420 - 3990/420 simplified gives 19/2
- So, 90/60 + 56/7 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+56/14 90/60+56/21 90/60+56/35 90/60+56/49