Add 42/20 and 84/35
1st number: 2 2/20, 2nd number: 2 14/35
42/20 + 84/35 is 9/2.
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,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
84/35 = 84 × 4/35 × 4 = 336/140 - Add the two like fractions:
294/140 + 336/140 = 294 + 336/140 = 630/140 - 630/140 simplified gives 9/2
- So, 42/20 + 84/35 = 9/2
In mixed form: 41/2
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