Add 6/63 and 60/70
6/63 + 60/70 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
6/63 = 6 × 10/63 × 10 = 60/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
60/70 = 60 × 9/70 × 9 = 540/630 - Add the two like fractions:
60/630 + 540/630 = 60 + 540/630 = 600/630 - 600/630 simplified gives 20/21
- So, 6/63 + 60/70 = 20/21
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