Add 90/64 and 63/20
1st number: 1 26/64, 2nd number: 3 3/20
90/64 + 63/20 is 729/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
90/64 = 90 × 5/64 × 5 = 450/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
63/20 = 63 × 16/20 × 16 = 1008/320 - Add the two like fractions:
450/320 + 1008/320 = 450 + 1008/320 = 1458/320 - 1458/320 simplified gives 729/160
- So, 90/64 + 63/20 = 729/160
In mixed form: 489/160
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