Add 2/70 and 72/45
1st number: 2/70, 2nd number: 1 27/45
2/70 + 72/45 is 57/35.
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,
2/70 = 2 × 9/70 × 9 = 18/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630 - Add the two like fractions:
18/630 + 1008/630 = 18 + 1008/630 = 1026/630 - 1026/630 simplified gives 57/35
- So, 2/70 + 72/45 = 57/35
In mixed form: 122/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+72/45 2/70+72/90 6/70+72/45 10/70+72/45 14/70+72/45