Add 15/70 and 42/4
1st number: 15/70, 2nd number: 10 2/4
15/70 + 42/4 is 75/7.
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,
15/70 = 15 × 2/70 × 2 = 30/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
42/4 = 42 × 35/4 × 35 = 1470/140 - Add the two like fractions:
30/140 + 1470/140 = 30 + 1470/140 = 1500/140 - 1500/140 simplified gives 75/7
- So, 15/70 + 42/4 = 75/7
In mixed form: 105/7
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