Add 40/70 and 81/64
1st number: 40/70, 2nd number: 1 17/64
40/70 + 81/64 is 823/448.
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,
40/70 = 40 × 32/70 × 32 = 1280/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
81/64 = 81 × 35/64 × 35 = 2835/2240 - Add the two like fractions:
1280/2240 + 2835/2240 = 1280 + 2835/2240 = 4115/2240 - 4115/2240 simplified gives 823/448
- So, 40/70 + 81/64 = 823/448
In mixed form: 1375/448
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Related: 80/70+81/64