Add 90/60 and 20/56
1st number: 1 30/60, 2nd number: 20/56
90/60 + 20/56 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
90/60 = 90 × 14/60 × 14 = 1260/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Add the two like fractions:
1260/840 + 300/840 = 1260 + 300/840 = 1560/840 - 1560/840 simplified gives 13/7
- So, 90/60 + 20/56 = 13/7
In mixed form: 16/7
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