Add 80/63 and 45/30
1st number: 1 17/63, 2nd number: 1 15/30
80/63 + 45/30 is 349/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
45/30 = 45 × 21/30 × 21 = 945/630 - Add the two like fractions:
800/630 + 945/630 = 800 + 945/630 = 1745/630 - 1745/630 simplified gives 349/126
- So, 80/63 + 45/30 = 349/126
In mixed form: 297/126
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