Add 12/63 and 25/70
12/63 + 25/70 is 23/42.
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,
12/63 = 12 × 10/63 × 10 = 120/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Add the two like fractions:
120/630 + 225/630 = 120 + 225/630 = 345/630 - 345/630 simplified gives 23/42
- So, 12/63 + 25/70 = 23/42
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