Add 1/80 and 70/63
1st number: 1/80, 2nd number: 1 7/63
1/80 + 70/63 is 809/720.
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,
1/80 = 1 × 63/80 × 63 = 63/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040 - Add the two like fractions:
63/5040 + 5600/5040 = 63 + 5600/5040 = 5663/5040 - 5663/5040 simplified gives 809/720
- So, 1/80 + 70/63 = 809/720
In mixed form: 189/720
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