Add 1/63 and 72/70
1st number: 1/63, 2nd number: 1 2/70
1/63 + 72/70 is 47/45.
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,
1/63 = 1 × 10/63 × 10 = 10/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630 - Add the two like fractions:
10/630 + 648/630 = 10 + 648/630 = 658/630 - 658/630 simplified gives 47/45
- So, 1/63 + 72/70 = 47/45
In mixed form: 12/45
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