Add 18/70 and 30/48
18/70 + 30/48 is 247/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
18/70 = 18 × 24/70 × 24 = 432/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
30/48 = 30 × 35/48 × 35 = 1050/1680 - Add the two like fractions:
432/1680 + 1050/1680 = 432 + 1050/1680 = 1482/1680 - 1482/1680 simplified gives 247/280
- So, 18/70 + 30/48 = 247/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+30/48 18/70+60/48 18/70+30/96 54/70+30/48 18/70+90/48 90/70+30/48