Add 45/63 and 20/70
45/63 + 20/70 is 1/1.
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,
45/63 = 45 × 10/63 × 10 = 450/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
20/70 = 20 × 9/70 × 9 = 180/630 - Add the two like fractions:
450/630 + 180/630 = 450 + 180/630 = 630/630 - 630/630 simplified gives 1/1
- So, 45/63 + 20/70 = 1/1
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