Add 49/64 and 20/70
49/64 + 20/70 is 471/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 70 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 64 × 35 = 2240,
49/64 = 49 × 35/64 × 35 = 1715/2240 - Likewise, for the 2nd fraction, since 70 × 32 = 2240,
20/70 = 20 × 32/70 × 32 = 640/2240 - Add the two like fractions:
1715/2240 + 640/2240 = 1715 + 640/2240 = 2355/2240 - 2355/2240 simplified gives 471/448
- So, 49/64 + 20/70 = 471/448
In mixed form: 123/448
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