Add 14/42 and 63/80
14/42 + 63/80 is 269/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
14/42 = 14 × 40/42 × 40 = 560/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
63/80 = 63 × 21/80 × 21 = 1323/1680 - Add the two like fractions:
560/1680 + 1323/1680 = 560 + 1323/1680 = 1883/1680 - 1883/1680 simplified gives 269/240
- So, 14/42 + 63/80 = 269/240
In mixed form: 129/240
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