Add 42/35 and 21/7
1st number: 1 7/35, 2nd number: 3 0/7
42/35 + 21/7 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
42/35 = 42 × 1/35 × 1 = 42/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
21/7 = 21 × 5/7 × 5 = 105/35 - Add the two like fractions:
42/35 + 105/35 = 42 + 105/35 = 147/35 - 147/35 simplified gives 21/5
- So, 42/35 + 21/7 = 21/5
In mixed form: 41/5
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