Add 30/80 and 70/7
1st number: 30/80, 2nd number: 10 0/7
30/80 + 70/7 is 83/8.
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,
30/80 = 30 × 7/80 × 7 = 210/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
70/7 = 70 × 80/7 × 80 = 5600/560 - Add the two like fractions:
210/560 + 5600/560 = 210 + 5600/560 = 5810/560 - 5810/560 simplified gives 83/8
- So, 30/80 + 70/7 = 83/8
In mixed form: 103/8
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