Add 63/80 and 28/70
63/80 + 28/70 is 19/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
63/80 = 63 × 7/80 × 7 = 441/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
28/70 = 28 × 8/70 × 8 = 224/560 - Add the two like fractions:
441/560 + 224/560 = 441 + 224/560 = 665/560 - 665/560 simplified gives 19/16
- So, 63/80 + 28/70 = 19/16
In mixed form: 13/16
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