Add 70/10 and 90/7
1st number: 7 0/10, 2nd number: 12 6/7
70/10 + 90/7 is 139/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
70/10 = 70 × 7/10 × 7 = 490/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
90/7 = 90 × 10/7 × 10 = 900/70 - Add the two like fractions:
490/70 + 900/70 = 490 + 900/70 = 1390/70 - 1390/70 simplified gives 139/7
- So, 70/10 + 90/7 = 139/7
In mixed form: 196/7
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