Add 70/4 and 72/80
1st number: 17 2/4, 2nd number: 72/80
70/4 + 72/80 is 92/5.
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,
70/4 = 70 × 20/4 × 20 = 1400/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
72/80 = 72 × 1/80 × 1 = 72/80 - Add the two like fractions:
1400/80 + 72/80 = 1400 + 72/80 = 1472/80 - 1472/80 simplified gives 92/5
- So, 70/4 + 72/80 = 92/5
In mixed form: 182/5
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