Add 80/70 and 56/63
1st number: 1 10/70, 2nd number: 56/63
80/70 + 56/63 is 128/63.
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,
80/70 = 80 × 9/70 × 9 = 720/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
56/63 = 56 × 10/63 × 10 = 560/630 - Add the two like fractions:
720/630 + 560/630 = 720 + 560/630 = 1280/630 - 1280/630 simplified gives 128/63
- So, 80/70 + 56/63 = 128/63
In mixed form: 22/63
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