Add 72/7 and 84/80
1st number: 10 2/7, 2nd number: 1 4/80
72/7 + 84/80 is 1587/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
72/7 = 72 × 80/7 × 80 = 5760/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560 - Add the two like fractions:
5760/560 + 588/560 = 5760 + 588/560 = 6348/560 - 6348/560 simplified gives 1587/140
- So, 72/7 + 84/80 = 1587/140
In mixed form: 1147/140
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