Add 5/70 and 72/20
1st number: 5/70, 2nd number: 3 12/20
5/70 + 72/20 is 257/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140 - Add the two like fractions:
10/140 + 504/140 = 10 + 504/140 = 514/140 - 514/140 simplified gives 257/70
- So, 5/70 + 72/20 = 257/70
In mixed form: 347/70
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