Add 84/80 and 45/7
1st number: 1 4/80, 2nd number: 6 3/7
84/80 + 45/7 is 1047/140.
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,
84/80 = 84 × 7/80 × 7 = 588/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
45/7 = 45 × 80/7 × 80 = 3600/560 - Add the two like fractions:
588/560 + 3600/560 = 588 + 3600/560 = 4188/560 - 4188/560 simplified gives 1047/140
- So, 84/80 + 45/7 = 1047/140
In mixed form: 767/140
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