Add 50/7 and 42/20
1st number: 7 1/7, 2nd number: 2 2/20
50/7 + 42/20 is 647/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
50/7 = 50 × 20/7 × 20 = 1000/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Add the two like fractions:
1000/140 + 294/140 = 1000 + 294/140 = 1294/140 - 1294/140 simplified gives 647/70
- So, 50/7 + 42/20 = 647/70
In mixed form: 917/70
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