Add 20/30 and 72/70
1st number: 20/30, 2nd number: 1 2/70
20/30 + 72/70 is 178/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
72/70 = 72 × 3/70 × 3 = 216/210 - Add the two like fractions:
140/210 + 216/210 = 140 + 216/210 = 356/210 - 356/210 simplified gives 178/105
- So, 20/30 + 72/70 = 178/105
In mixed form: 173/105
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