Add 75/70 and 4/20
1st number: 1 5/70, 2nd number: 4/20
75/70 + 4/20 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 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 20 × 7 = 140,
4/20 = 4 × 7/20 × 7 = 28/140 - Add the two like fractions:
150/140 + 28/140 = 150 + 28/140 = 178/140 - 178/140 simplified gives 89/70
- So, 75/70 + 4/20 = 89/70
In mixed form: 119/70
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