Add 50/70 and 12/63
50/70 + 12/63 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
50/70 = 50 × 9/70 × 9 = 450/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
12/63 = 12 × 10/63 × 10 = 120/630 - Add the two like fractions:
450/630 + 120/630 = 450 + 120/630 = 570/630 - 570/630 simplified gives 19/21
- So, 50/70 + 12/63 = 19/21
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