Add 90/70 and 2/20
1st number: 1 20/70, 2nd number: 2/20
90/70 + 2/20 is 97/70.
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,
90/70 = 90 × 2/70 × 2 = 180/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Add the two like fractions:
180/140 + 14/140 = 180 + 14/140 = 194/140 - 194/140 simplified gives 97/70
- So, 90/70 + 2/20 = 97/70
In mixed form: 127/70
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