Add 3/80 and 42/63
3/80 + 42/63 is 169/240.
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,
3/80 = 3 × 63/80 × 63 = 189/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
42/63 = 42 × 80/63 × 80 = 3360/5040 - Add the two like fractions:
189/5040 + 3360/5040 = 189 + 3360/5040 = 3549/5040 - 3549/5040 simplified gives 169/240
- So, 3/80 + 42/63 = 169/240
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