Add 7/20 and 80/35
1st number: 7/20, 2nd number: 2 10/35
7/20 + 80/35 is 369/140.
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,
7/20 = 7 × 7/20 × 7 = 49/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
80/35 = 80 × 4/35 × 4 = 320/140 - Add the two like fractions:
49/140 + 320/140 = 49 + 320/140 = 369/140 - So, 7/20 + 80/35 = 369/140
In mixed form: 289/140
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