Add 7/4 and 70/80
1st number: 1 3/4, 2nd number: 70/80
7/4 + 70/80 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
7/4 = 7 × 20/4 × 20 = 140/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Add the two like fractions:
140/80 + 70/80 = 140 + 70/80 = 210/80 - 210/80 simplified gives 21/8
- So, 7/4 + 70/80 = 21/8
In mixed form: 25/8
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