Add 40/80 and 45/63
40/80 + 45/63 is 17/14.
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,
40/80 = 40 × 63/80 × 63 = 2520/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
45/63 = 45 × 80/63 × 80 = 3600/5040 - Add the two like fractions:
2520/5040 + 3600/5040 = 2520 + 3600/5040 = 6120/5040 - 6120/5040 simplified gives 17/14
- So, 40/80 + 45/63 = 17/14
In mixed form: 13/14
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