Add 18/35 and 63/80
18/35 + 63/80 is 729/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
18/35 = 18 × 16/35 × 16 = 288/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
63/80 = 63 × 7/80 × 7 = 441/560 - Add the two like fractions:
288/560 + 441/560 = 288 + 441/560 = 729/560 - So, 18/35 + 63/80 = 729/560
In mixed form: 1169/560
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