Add 70/80 and 4/30
70/80 + 4/30 is 121/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
70/80 = 70 × 3/80 × 3 = 210/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
4/30 = 4 × 8/30 × 8 = 32/240 - Add the two like fractions:
210/240 + 32/240 = 210 + 32/240 = 242/240 - 242/240 simplified gives 121/120
- So, 70/80 + 4/30 = 121/120
In mixed form: 11/120
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