Add 90/28 and 98/60
1st number: 3 6/28, 2nd number: 1 38/60
90/28 + 98/60 is 509/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
90/28 = 90 × 15/28 × 15 = 1350/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
98/60 = 98 × 7/60 × 7 = 686/420 - Add the two like fractions:
1350/420 + 686/420 = 1350 + 686/420 = 2036/420 - 2036/420 simplified gives 509/105
- So, 90/28 + 98/60 = 509/105
In mixed form: 489/105
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