Add 70/63 and 20/10
1st number: 1 7/63, 2nd number: 2 0/10
70/63 + 20/10 is 28/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
20/10 = 20 × 63/10 × 63 = 1260/630 - Add the two like fractions:
700/630 + 1260/630 = 700 + 1260/630 = 1960/630 - 1960/630 simplified gives 28/9
- So, 70/63 + 20/10 = 28/9
In mixed form: 31/9
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