Add 35/70 and 45/80
35/70 + 45/80 is 17/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
35/70 = 35 × 8/70 × 8 = 280/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
45/80 = 45 × 7/80 × 7 = 315/560 - Add the two like fractions:
280/560 + 315/560 = 280 + 315/560 = 595/560 - 595/560 simplified gives 17/16
- So, 35/70 + 45/80 = 17/16
In mixed form: 11/16
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