Add 75/70 and 20/18
1st number: 1 5/70, 2nd number: 1 2/18
75/70 + 20/18 is 275/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
20/18 = 20 × 35/18 × 35 = 700/630 - Add the two like fractions:
675/630 + 700/630 = 675 + 700/630 = 1375/630 - 1375/630 simplified gives 275/126
- So, 75/70 + 20/18 = 275/126
In mixed form: 223/126
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