Add 9/70 and 75/45
1st number: 9/70, 2nd number: 1 30/45
9/70 + 75/45 is 377/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
75/45 = 75 × 14/45 × 14 = 1050/630 - Add the two like fractions:
81/630 + 1050/630 = 81 + 1050/630 = 1131/630 - 1131/630 simplified gives 377/210
- So, 9/70 + 75/45 = 377/210
In mixed form: 1167/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+75/45 9/70+75/90 27/70+75/45 45/70+75/45 63/70+75/45