Add 90/60 and 9/7
1st number: 1 30/60, 2nd number: 1 2/7
90/60 + 9/7 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
9/7 = 9 × 60/7 × 60 = 540/420 - Add the two like fractions:
630/420 + 540/420 = 630 + 540/420 = 1170/420 - 1170/420 simplified gives 39/14
- So, 90/60 + 9/7 = 39/14
In mixed form: 211/14
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