Add 20/80 and 70/63
1st number: 20/80, 2nd number: 1 7/63
20/80 + 70/63 is 49/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
20/80 = 20 × 63/80 × 63 = 1260/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040 - Add the two like fractions:
1260/5040 + 5600/5040 = 1260 + 5600/5040 = 6860/5040 - 6860/5040 simplified gives 49/36
- So, 20/80 + 70/63 = 49/36
In mixed form: 113/36
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