Add 7/70 and 72/63
1st number: 7/70, 2nd number: 1 9/63
7/70 + 72/63 is 87/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Add the two like fractions:
63/630 + 720/630 = 63 + 720/630 = 783/630 - 783/630 simplified gives 87/70
- So, 7/70 + 72/63 = 87/70
In mixed form: 117/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+72/63 21/70+72/63 35/70+72/63 49/70+72/63