Add 70/64 and 42/20
1st number: 1 6/64, 2nd number: 2 2/20
70/64 + 42/20 is 511/160.
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,
70/64 = 70 × 5/64 × 5 = 350/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
42/20 = 42 × 16/20 × 16 = 672/320 - Add the two like fractions:
350/320 + 672/320 = 350 + 672/320 = 1022/320 - 1022/320 simplified gives 511/160
- So, 70/64 + 42/20 = 511/160
In mixed form: 331/160
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