Add 45/70 and 63/64
45/70 + 63/64 is 729/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
45/70 = 45 × 32/70 × 32 = 1440/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
63/64 = 63 × 35/64 × 35 = 2205/2240 - Add the two like fractions:
1440/2240 + 2205/2240 = 1440 + 2205/2240 = 3645/2240 - 3645/2240 simplified gives 729/448
- So, 45/70 + 63/64 = 729/448
In mixed form: 1281/448
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