Add 7/5 and 72/70
1st number: 1 2/5, 2nd number: 1 2/70
7/5 + 72/70 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
7/5 = 7 × 14/5 × 14 = 98/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
72/70 = 72 × 1/70 × 1 = 72/70 - Add the two like fractions:
98/70 + 72/70 = 98 + 72/70 = 170/70 - 170/70 simplified gives 17/7
- So, 7/5 + 72/70 = 17/7
In mixed form: 23/7
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