Add 15/70 and 20/18
1st number: 15/70, 2nd number: 1 2/18
15/70 + 20/18 is 167/126.
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,
15/70 = 15 × 9/70 × 9 = 135/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
20/18 = 20 × 35/18 × 35 = 700/630 - Add the two like fractions:
135/630 + 700/630 = 135 + 700/630 = 835/630 - 835/630 simplified gives 167/126
- So, 15/70 + 20/18 = 167/126
In mixed form: 141/126
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