Add 63/80 and 42/7
1st number: 63/80, 2nd number: 6 0/7
63/80 + 42/7 is 543/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 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 7 × 80 = 560,
42/7 = 42 × 80/7 × 80 = 3360/560 - Add the two like fractions:
441/560 + 3360/560 = 441 + 3360/560 = 3801/560 - 3801/560 simplified gives 543/80
- So, 63/80 + 42/7 = 543/80
In mixed form: 663/80
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