Add 7/20 and 90/64
1st number: 7/20, 2nd number: 1 26/64
7/20 + 90/64 is 281/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
7/20 = 7 × 16/20 × 16 = 112/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
90/64 = 90 × 5/64 × 5 = 450/320 - Add the two like fractions:
112/320 + 450/320 = 112 + 450/320 = 562/320 - 562/320 simplified gives 281/160
- So, 7/20 + 90/64 = 281/160
In mixed form: 1121/160
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