Add 75/70 and 42/4
1st number: 1 5/70, 2nd number: 10 2/4
75/70 + 42/4 is 81/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
75/70 = 75 × 2/70 × 2 = 150/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
42/4 = 42 × 35/4 × 35 = 1470/140 - Add the two like fractions:
150/140 + 1470/140 = 150 + 1470/140 = 1620/140 - 1620/140 simplified gives 81/7
- So, 75/70 + 42/4 = 81/7
In mixed form: 114/7
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