Add 42/20 and 30/28
1st number: 2 2/20, 2nd number: 1 2/28
42/20 + 30/28 is 111/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Add the two like fractions:
294/140 + 150/140 = 294 + 150/140 = 444/140 - 444/140 simplified gives 111/35
- So, 42/20 + 30/28 = 111/35
In mixed form: 36/35
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