Add 90/60 and 35/70
1st number: 1 30/60, 2nd number: 35/70
90/60 + 35/70 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 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 70 × 6 = 420,
35/70 = 35 × 6/70 × 6 = 210/420 - Add the two like fractions:
630/420 + 210/420 = 630 + 210/420 = 840/420 - 840/420 simplified gives 2/1
- So, 90/60 + 35/70 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: