Add 30/20 and 70/35
1st number: 1 10/20, 2nd number: 2 0/35
30/20 + 70/35 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
70/35 = 70 × 4/35 × 4 = 280/140 - Add the two like fractions:
210/140 + 280/140 = 210 + 280/140 = 490/140 - 490/140 simplified gives 7/2
- So, 30/20 + 70/35 = 7/2
In mixed form: 31/2
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