Add 90/8 and 20/60
1st number: 11 2/8, 2nd number: 20/60
90/8 + 20/60 is 139/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
90/8 = 90 × 15/8 × 15 = 1350/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
20/60 = 20 × 2/60 × 2 = 40/120 - Add the two like fractions:
1350/120 + 40/120 = 1350 + 40/120 = 1390/120 - 1390/120 simplified gives 139/12
- So, 90/8 + 20/60 = 139/12
In mixed form: 117/12
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