Add 45/63 and 42/80
45/63 + 42/80 is 347/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
45/63 = 45 × 80/63 × 80 = 3600/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
42/80 = 42 × 63/80 × 63 = 2646/5040 - Add the two like fractions:
3600/5040 + 2646/5040 = 3600 + 2646/5040 = 6246/5040 - 6246/5040 simplified gives 347/280
- So, 45/63 + 42/80 = 347/280
In mixed form: 167/280
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