Add 90/30 and 70/35
1st number: 3 0/30, 2nd number: 2 0/35
90/30 + 70/35 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
90/30 = 90 × 7/30 × 7 = 630/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
70/35 = 70 × 6/35 × 6 = 420/210 - Add the two like fractions:
630/210 + 420/210 = 630 + 420/210 = 1050/210 - 1050/210 simplified gives 5/1
- So, 90/30 + 70/35 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+70/35