Add 70/80 and 60/63
70/80 + 60/63 is 307/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
70/80 = 70 × 63/80 × 63 = 4410/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
60/63 = 60 × 80/63 × 80 = 4800/5040 - Add the two like fractions:
4410/5040 + 4800/5040 = 4410 + 4800/5040 = 9210/5040 - 9210/5040 simplified gives 307/168
- So, 70/80 + 60/63 = 307/168
In mixed form: 1139/168
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